To calculate this, divide a food or drink's calories from fat by total calories (this information is on the product's food label) and then multiply by 100. For example, if a 300-calorie food has 60 ...

How much do you know about the urinary system, which makes pee? Find out by taking this quiz!

We see and hear about hearts everywhere. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited. Now ...

How Does Air Enter the Respiratory System? Air enters the respiratory system through the nose or the mouth. If it goes in the nostrils (also called nares), the air is warmed and humidified. Tiny hairs ...

Did you know you have more than 600 muscles in your body? They do everything from pumping blood throughout your body to helping you lift your heavy backpack. You control some of your muscles, while ...

It’s normal for people to masturbate (touch or rub their own genitals because they like the way it feels). Some people do it to relieve stress or tension. It’s nothing to be ashamed of or embarrassed ...

What Is a 504 Plan? A 504 plan is a way for schools to provide support for students with a disability so that they can learn in a regular classroom. The name 504 plan comes from Section 504 of the ...

Girls have lots of questions about the body changes of puberty. When will my breasts grow? What's the "normal" age to get your first period? Watch this video and find out!

infection in the urinary tract irritation or injury of the genital area stones (small masses of minerals) in the urinary tract Urinary tract infections (UTIs) are the most common cause of pain during ...

Many things can lead to hearing loss, but often, no cause is found. Hearing loss is more likely if a child: Some hearing problems come on gradually after birth or show up later in life. If you are ...

Breast cancer is a disease that happens when cells in the breast that are not normal grow and spread very fast. The cells group together to form a mass or lump called a tumor. Breast cancer is treated ...

Q. Should kids get a COVID-19 vaccine? A. Yes, safe and effective updated COVID-19 vaccines are recommended for adults and all children ages 6 months and older. Q. What is an updated COVID-19 vaccine?