What to know about prescription drugs promising weight loss
Obesity is a major and growing problem around the world, but especially in the U.S., where more than 40% of adults and about 20% of children now meet the criteria for what doctors say has become an intractable chronic disease.
Rates of the disease have soared in recent decades, spurred by the complex interaction of genes that make people more likely to store food as fat, a food system that provides easy and cheap access to processed treats explicitly designed to be overconsumed, and social settings that limit access to healthy options and exercise for many people.
Obesity is linked to scores of health problems that can lead to disability or even death, including high blood pressure, diabetes, heart disease, stroke, cancer and joint problems.
Researchers have long looked for medications that can help people lose weight, mostly with disappointing and, in some cases, dangerous results. In recent years, however, drugs designed to help people with type 2 diabetes control their blood sugar levels have had the added effect of paring pounds.
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Ozempic, a Novo Nordisk drug approved to treat diabetes in 2017, skyrocketed in use after celebrities and ordinary people on TikTok reported that their doctors prescribed it “off label” for weight loss. Wegovy, a higher dose version of the same medication, called semaglutide, was approved for weight loss for adults in 2021 and for children aged 12 and older late last year.
Now, a new drug made by Eli Lilly and Co., called tirzepatide, is poised to become the most potent obesity drug on the market, promising users losses of more than 30 to 50 pounds over time. Already approved under the brand name Mounjaro to treat type 2 diabetes, tirzepatide is being considered for fast-track approval as a weight-loss drug based on the results of key trials, with the latest announced on Thursday.
The new study found that patients with diabetes — who find it notoriously difficult to lose weight — could shed about 16% of their body weight, or more than 34 pounds using tirzepatide. An earlier study found that people without diabetes lost up to 22% of their body weight, or more than 50 pounds on the highest dose of the drug.
Tirzepatide and other medications spur weight loss by targeting the metabolic conditions that lead to extra pounds. Here’s what to know about these new prescription drugs that promise weight loss.
What are these new weight loss drugs?
The drugs that have drawn the most attention have been a class of medications that activate a hormone known as GLP-1. They include Ozempic and Wegovy, which are two versions of the same medication, semaglutide.
Tirzepatide targets GLP-1, but also affects a second hormone, called GIP, which developers say contributes to its increased effectiveness. Mounjaro was approved to treat diabetes in May 2022.
The drugs are delivered through once-weekly injections. Users are advised to follow a healthful, reduced-calorie diet and to exercise regularly while using the drugs.
How do Ozempic, Wegovy and Mounjaro work?
The drugs work by mimicking the actions of hormones, found primarily in the gut, that kick in after people eat. The hormones help regulate blood sugar by triggering the pancreas to release insulin, another hormone, and slowing the release of sugar from the liver. People who are overweight or have obesity can become insulin-resistant, which means the body doesn’t respond to insulin properly.
The obesity drugs lower blood sugar and slow down digestion, so people feel full longer. They also affect signals in the brain linked to feelings of fullness and satisfaction, tamping down appetite, food-related thoughts and cravings.
Because people feel full longer, they eat less and lose weight.
How effective are the drugs?
In a trial, adults who took Wegovy saw a weight loss of nearly 35 pounds, or about 15% of their body weight. Adolescents lost about 16% of their body weight.
The latest study of tirzepatide studied the drug in more than 900 patients with diabetes who were overweight or had obesity over nearly 17 months. It showed weight loss of up to 16% of body weight, more than 34 pounds, when using the highest dose of the drug. Patients who received placebo, or dummy injections, lost about 3% of their body weight, or 7 pounds.
An earlier trial of tirzepatide showed weight loss of between about 15% and about 22% of body weight, or about 35 pounds to about 52 pounds, depending on the dose.
The drugs appear effective for chronic weight management over many months. In addition to weight loss, they also reduce health problems associated with obesity, such as high blood sugar and markers of heart and metabolic disease.
However, it appears that if people taking the drugs stop, they regain the weight they lost — and the health problems that came with it.
Why not just diet and exercise?
In a typical weight-loss program where participants rely only on diet and exercise, research shows only about a third of people will lose 5% or more of their body weight, said Dr. Louis Aronne, director of the Comprehensive Weight Control Center at Weill Cornell Medicine.
Many people find it difficult to lose weight because of the body’s biological reactions to eating less, he said. There are several hormones that respond to reduced calorie intake by ramping up hunger to maintain body mass.
What are the side effects of the drugs?
The most common side effects are short-lived gastrointestinal issues such as nausea, vomiting, constipation, diarrhea and stomach pain. Other possible effects include serious issues such as inflammation of the pancreas, kidney, gallbladder and eye problems. People with a history of certain thyroid cancers or a rare, genetic endocrine disorder should avoid the drugs, because it is not clear if tirzepatide causes thyroid problems, including cancer.
How much do these drugs cost?
The new anti-obesity medications are expensive. Wegovy costs about $1,300 a month and Mounjaro starts at about $1,000 a month. People with private insurance may be able to receive the drugs with only a small co-payment. However, many insurers don’t pay for the medications or they have restrictions regarding coverage. Medicare doesn’t cover most weight-loss drugs. Medicaid and the military insurer Tricare may cover them in some cases with prior approval.
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HIV stigma index researchers look for Manitobans with positive diagnoses to share experience – CBC.ca
Manitoba researchers looking for people to take part in a national HIV Stigma Index project are only about halfway to their goal of hearing from at least 75 people living with a positive diagnosis.
The international peer-driven research project helps understand the stigma associated with HIV and supports those living with a diagnosis.
“I wouldn’t say that anybody ran out and said ‘I’m gonna go get HIV today and see how that happens.’ Things happen to people and it’s our duty as human beings to support people no matter what they’re going through,” research co-ordinator Arthur Miller told CBC Information Radio Wednesday.
The Canadian HIV Stigma Index is a community-led and community-based research study, part of the international implementation of the People Living with HIV Stigma Index project
Participants are interviewed by another person living with a positive diagnosis. Interviews are about an hour-and-a-half long and can be done in person, by phone or through a video conferencing platform, said Miller, a Mi’kmaw HIV activist based out of Nova Scotia and research co-ordinator of the project with REACH Nexus, under the MAP Centre for Urban Health Solutions at Unity Health Toronto.
The national project has been done in Ontario, Quebec, Atlantic Canada and British Columbia, and this is the second time it’s being done in Manitoba, with an updated survey.
Researchers collect information related to stigma, discrimination and human rights, with the aim of better understanding the social determinants and stigma across systems like health care, schools and legal fields. The research aims to help people develop supports and policies at both local and national levels.
Peer-driven aspect crucial
Jared Star, a research manager at Winnipeg’s Nine Circles Community Health Centre, which specializes in HIV prevention and care, said the HIV Stigma Index’s peer-driven aspect is crucial for participants.
“They know that they won’t be judged,” he said. “They won’t have to explain situations and details that come naturally for them, because they’re talking to somebody with the same experience.”
Star is also a research consultant and PhD student with expertise in sexual health, alongside his work with Nine Circles, which is working closely with Miller on the project.
“It’s better for the study if we can collect the data in a shorter period of time, but because it’s qualitative research, it tends to take longer than a survey,” said Star. “But the more we can get up front and faster, the better.”
Star said the information gained from the project will help people move from a place of supporting and sustaining stigma to actively challenging and resisting it.
“I think if we do a good job and we’re able to get that information and then develop interventions that target stigma, we will be able to contribute to a reduction in HIV infections in Manitoba,” he said.
Education key to understanding
Much more is known about HIV now than 30 years ago — like how to prevent transmission and that it’s no longer a death sentence.
With proper care, people who are HIV positive can lead long, healthy lives.
Miller said education is key and pointed to the fact that many don’t understand somebody with an undetectable viral load who adheres to treatment can’t transmit HIV through sexual intercourse.
“This is big for people with HIV,” he said. “For me, it felt like I got part of my life back.”
Manitobans willing to share their experiences through the HIV Stigma Index project can contact Miller at email@example.com or by phone at 1-877-347-1175 to begin the process.
“The great thing about this study is we’re building this network of people living with HIV,” Miller said. “You’re going to be talking with someone living with HIV, so they can relate and share some experiences.”
May 27, 2023 coronavirus update for Oakville – Oakville News
This is Oakville’s coronavirus update for Saturday, May 27, 2023. New, active cases of COVID-19 in Halton have nearly doubled for the second week in a row, and outbreaks at local long-term care homes are growing.
Oakville is reporting 22 new cases this week, about the same as the week before. But these last two reports from Halton regional health are the highest numbers of new cases in months – and active cases are now trending upwards by 50-100% weekly.
The outbreak that opened earlier this month at Oakville’s West Oak Village long-term care home has been contained to the Harbour floor. But there are two new outbreaks that have opened this week in other parts of Halton, including one at Oakville’s Northridge home on the Chisholm floor.
Halton continues to fall behind on our booster shots: only 1 of every 10 people in Halton have a full series of immunization, and the percentage of residents with outdated immunization has grown every week since the start of 2023. Among those 40 and under, those fully immunized is now below 5%.
The United States this week has said they and the CDC will no longer be tracking new, aggregate daily COVID-19 cases and deaths or new nationwide testing data.
The World Health Organization (WHO) has declared that after more than three years, the COVID-19 global health emergency is now over. WHO has determined that “COVID-19 is now an established and ongoing health issue which no longer constitutes a public health emergency of international concern (PHEIC).”
765 million cases of COVID-19 have now been recorded worldwide since the start of the pandemic; 6.9 million people have died.
**Vaccine booking: Fourth doses (second booster doses) of vaccine are now available for anyone in Halton age 5 and up, though fourth doses must be at least five months since your last dose and 90 days since having COVID-19.
Halton continues to book first and second-dose vaccinations for all residents age six months and older, plus third-dose boosters for anyone age 5 and up.
**CLICK HERE to book a first, second, third or fourth vaccination appointment at a Halton Region vaccine clinic
Oakville COVID-19 Update:
- 22 new cases of COVID-19 have been reported (1 less than last week)
- 2 people were hospitalized (2 less than last week)
- No new deaths (same as last week)
- 2 active outbreaks in Oakville – plus 1
Halton COVID-19 Update:
- 88 new cases of COVID-19 (32 more than last week)
- 3 people were hospitalized (2 less than last week)
- No new deaths (same as last week)
- 5 active outbreaks in Halton – plus 2
Vaccinations in Halton Region:
- At least 1.56 million doses have been administered in Halton
- 93% of Halton residents have at least two doses (the primary series)
- 10% of eligible Halton residents (age 12+) are up to date on their booster shots (have had the primary series and a booster dose in the last six months)
- 53% of eligible residents have a primary series and a booster more than six months ago
Ontario COVID-19 Update: (last updated as of April 15, 2023)
- There have been 1.60 million cases in Ontario to date
- 16,404 deaths to date (+36 this week)
- 812 people are in hospital with COVID-19 (+29 this week)
- There are 80 people in ICU (+6 this week)
Summary of provincial vaccinations
Canadian COVID-19 Update:
- Canada has had 4.56 million cumulative cases of COVID-19
- There are 559,100 active cases in Canada (+1,600 this week)
- 2,936 people are currently in hospital (-40 this week)
- There are 50,367 deaths to date (+18 this week)
- 82.70% of Canadians are fully vaccinated (+0.0015%)
Global COVID-19 Update:
- As of May 11, 2023, the United States is no longer tracking new, aggregate daily cases and deaths or new nationwide testing data
- U.S. cases to date are now above 105 million; 1.13 million have died
- Only 17.0% of Americans are up-to-date with all recommended vaccine booster doses
- 766.89 million people worldwide have been diagnosed with COVID-19 since the pandemic started; 6.93 million people have died
The evidence is clear: vaccination (including all recommended booster shots) is still the best way to be protected. Local, provincial, national and international health units affirm the same data that Canada’s approved vaccines effectively protect you from COVID-19 and significantly reduces your risk of getting sick, going to the hospital, and dying from the disease.
Pictured right is a graph from Halton region last year showing how dramatically your risk of getting sick or being admitted to hospital is when vaccinated – numbers that have remained consistent since vaccine deployment began in early 2021.
Meet Dr. Medhi Aloosh, Windsor and Essex County's new medical officer of health – CBC.ca
The Windsor Essex County Health Unit (WECHU) has a new medical officer of health in Dr. Mehdi Aloosh.
Dr. Aloosh takes the reins from former acting Medical Officer of Health Dr. Shanker Nesathurai, who held the position for more than a year. Dr. Aloosh comes to Windsor and WECHU from Hamilton, where he obtained his training in public health as well as preventative and family medicine at McMaster University. He also has a Master’s degree in epidemiology from McGill University.
Prior to joining WECHU, he was a physician at Public Health Ontario, a practising family doctor and involved in research and teaching at McMaster University.
Dr. Aloosh joined CBC Windsor’s Katerina Georgieva to discuss why he chose Windsor and his priorities for public health in the region.
Thanks for being here, Dr. Aloosh. This is a really great opportunity for people to get to know you a little bit better. So tell us why you wanted to take on this role.
When this opportunity arose in Windsor Essex county, I contacted [former medical officer of health] Dr. Ahmed and Dr. Nesathurai, who I knew in the past and I asked their opinion. They gave me very good information in terms of how the organization is working, the culture in the organization and Windsor-Essex County.
I learned that there are excited workers, very knowledgeable people working in the health unit also I learned about the collaboration with the university which brings research into public health work. Also knowing about the socioeconomics of the region. There are lots of things happening: the mega hospital, lots of new Canadians will come to the region. So all of those things led to that decision.
We know that COVID-19 has been at the forefront for the last few years. For you now in this role moving forward, what is the biggest health issue for you?
As you mentioned COVID-19 has affected all of the individuals, businesses, all of the people and communities. Going forward making sure that COVID is under control. I think there are other priorities: sexually transmitted diseases are on the rise in Ontario and Windsor-Essex County, we are seeing things that we were not seeing in the past. We see the opioid crisis and also mental health issues, vaccinations. All of those sorts of things are some examples of my priorities going forward.
During your first board of health meeting, you spoke at length about (human papillomavirus) HPV. Can you talk about why that’s so important for you to get that message out there?
HPV can several types of cancer — cervical cancer, oral cancer, penile cancer, lots of different cancers. We have a vaccine for that and we can eliminate those cancers and we can protect our kids and our young adults by vaccination in a school year that’s free and I think that we should invest in that, we should work together to do that vaccination and protect population.
There are other aspects to this conversation, which is doing safe sexual behaviour, doing screening, pap smear, those sort of things. So these are other discussions that we can have beside a vaccination.
What is the uptake on the vaccine for HPV in our region?
It’s around 60 per cent, which is really good for our school age. But the evidence and some of the research shows that if we keep that over 90 per cent besides other activities like screening and treatment we can save 200 lives just for cervical cancer in Ontario and other issues like genital warts.
It’s not just cancer, it’s lots of things around it and we can prevent that.
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