Skip to main content

Diabetes and metabolic health Archive

Articles

Weight-loss drug may lower risk of heart attacks and infections

For people with excess weight, type 2 diabetes, and heart disease, using the GLP-1 drug tirzepatide (Mounjaro, Zepbound) may lower the risk of heart attack, infection, and death from any cause more than taking an older drug, sitagliptin (Januvia), according to a 2026 study.

Do you really have high cortisol?

Social media influencers blame “high cortisol” for an array of problems, from stubborn belly fat to poor sleep. But true cortisol disorders are rare and most people have no evidence that abnormal cortisol levels are driving such problems.

Can levothyroxine-related insomnia go away after adjusting the dose?

People on levothyroxine sometimes notice trouble sleeping, raising concerns about how long it will persist and whether dose changes could improve rest.

GLP-1 weight-loss drugs may lower the need for knee replacement

GLP-1 drugs, such as semaglutide and tirzepatide, used for diabetes and weight loss, may also reduce knee osteoarthritis pain and delay knee replacement surgery. In a large 2026 study, the use of any GLP-1 was linked to a reduced likelihood of knee replacement over eight years.

Do thyroid conditions cause high blood pressure?

Thyroid issues and blood pressure may be connected in more than one way. See how symptoms, lab results and treatment can affect your readings.

When should a high TSH lead to a higher thyroid hormone dose?

A rise in thyroid-stimulating hormone after thyroid removal can have several explanations, from medication timing to changes in absorption.

Is a thyroid-stimulating hormone level of 1.32 healthy?

A TSH result can be confusing without context. See what the number measures, how lab ranges vary and when other factors matter for thyroid health.

Can my birth control pills change the dose of thyroid medication I need?

Find out how estrogen-containing birth control can affect thyroid hormone replacement, and why your levothyroxine dose may need closer monitoring.

Calorie deficit explained: Is it a safe, sustainable approach to weight loss?

Creating a calorie deficit—burning more than one consumes—is the foundation of sustainable weight loss. “Slow and steady” is best: experts recommend a 500-calorie daily deficit for gradual progress, combined with regular physical activity, especially strength training.

Are medically tailored meals right for you?

For people managing a chronic illness or recovery, medically tailored meals—home-delivered and dietitian-planned—can help. Research shows they improve health outcomes, reduce hospitalizations, and save billions in health care costs. Programs range from full meal delivery to grocery boxes and produce vouchers.

Free Healthbeat Signup

Get the latest in health news delivered to your inbox!

Sign Up
Harvard Health Publishing Logo

Thanks for visiting. Don't miss your FREE 32-page gift worth $29.95.

PLUS, don’t miss out on your 25% off promo code.

Sign up to get tips for living a healthy lifestyle—You’ll discover powerful, research- backed strategies for health longevity drawn from Harvard Medical School experts—ways to eat for a longer life, build strength and flexibility to stay independent, protect your bones, heart, and brain as you age, and even cultivate the habits linked with “super-agers” who stay sharp and active well into their 80s and 90s—all delivered to your email box FREE.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of Living Longer, Living Well!.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of Living Longer, Living Well.