Why it matters About 1 in 5 American children have obesity. Compared to children with healthy weight, children with obesity are at a higher risk for a...

How do I know if I have overweight or obesity? You can use the body mass index (BMI) to find out whether your weight is in a healthy or unhealthy rang...

Treating local recurrence For women whose breast cancer has recurred locally, treatment depends on their initial treatment. If you had breast-conservi...

Why is it hard to find ovarian cancer early? Ovarian cancer is hard to find early because it often does not cause symptoms until the cancer is advance...

OD2A Case Study: Harm Reduction June 9, 2025 At a glance Read about how harm reduction works to reduce drug overdose from a case study from Overdose D...

General Research. Featured Activity Concordance between controlled substance receipt and post-mortem toxicology in opioid-detected overdose deaths: A...

Video length: 3:51 Transcript [Dr. Hansel Tookes] Harm reduction was started by people who use drugs to save each other's lives. [Voiceover] Here on 7...

October 1, 2024 By Sarah Klein, Health Writer Reviewed by Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Bo...

Print Email Facebook Diseases & Conditions Muscle Cramps A muscle cramp is an involuntary contraction of a muscle that occurs suddenly and does not re...

Our 24/7 cancer helpline provides information and answers for people dealing with cancer. We can connect you with trained cancer information specialis...