Sexually transmitted infections (STIs) Archive

Cold germs can leap from one person to the next in more ways than you might think. Learn the everyday habits that increase spread.

Charts offer BMI ranges and waist targets, but they aren't the whole story. Learn how height, belly fat, diet, and activity shape "healthy" weight.

Mild sinus or ear infections don't necessarily mean delaying vaccination. Learn when to wait on your flu shot and how fast protection builds.

Breastfeeding moms often worry about vaccines and their babies' safety. Explore how flu shots and nasal spray immunizations fit into postpartum protection.

In the US, widespread vaccination halted the ongoing spread of measles more than 20 years ago, but recent outbreaks have flared in over 20 US states, leading to hospitalizations and at least two deaths. Measles is highly preventable - here's what you need to know.

Having a persistent illness is challenging. It means having to make changes and adjustments to accommodate your needs, but it does not have to mean giving up on everything you enjoy.

Vaginal infections are highly common and often involve symptoms such as vaginal itching, burning, irritation, discharge, and odor. The most prevalent vaginal infections include bacterial vaginosis, yeast infection, trichomoniasis, herpes simplex virus 2, gonorrhea, and chlamydia.

Insulin resistance is when the pancreas makes insulin but the body's cells don't use it efficiently. It becomes more common in women after age 50 due to hormonal shifts that change the way the body stores fat. It is a key step in the process of developing prediabetes and diabetes.