Cholesterol is a waxy, fat-like substance found in your blood. Your body needs cholesterol to build healthy cells, make hormones, and support digestion. But having too much cholesterol—especially the wrong...

Blood sugar, also known as blood glucose, is the main source of energy for your body. Your body gets it from the food you eat, and it’s carried through the...

Blood pressure is one of the most important indicators of your overall health. It tells you how hard your heart is working to pump blood through your body. When your...

Trying to get pregnant can be an exciting time, but it can also be filled with stress and questions—especially if things aren’t happening as quickly as you hoped. While every...

Trying to get pregnant can be an emotional journey filled with both hope and stress. While many factors affect fertility—like age, hormones, and health—your diet can also play a role....

Respiratory syncytial virus, or RSV, is a common virus that affects the lungs and breathing passages. It usually causes cold-like symptoms but can sometimes lead to more serious illnesses, especially...

Head lice are tiny insects that live on the scalp and feed on human blood. While they don’t carry diseases and are not a danger to health, they can cause...

Hand, foot, and mouth disease (HFMD) is a common and usually mild illness that mostly affects young children. It gets its name from the small sores or blisters that appear...

Chickenpox is a very contagious infection that causes an itchy skin rash and small, fluid-filled blisters. It’s most common in children, though adults can get it too—especially if they didn’t...

Measles is a serious and highly contagious virus that mostly affects children, although anyone who isn’t vaccinated can get it. It spreads easily through the air when someone with the...

Impetigo is a common and highly contagious skin infection, especially in children. It causes red sores or blisters that can burst, ooze, and form a yellowish-brown crust. Though it may...

Appendicitis is a condition that happens when the appendix becomes swollen and infected. The appendix is a small, finger-shaped pouch that sticks out from the lower right side of the...