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Types of Hearing Loss in Children What are the different types of hearing loss? There are 3 main types of hearing loss: sensorineural, conductive, and mixed (both sensorineural and conductive). These types of hearing loss can be present at birth (congenital). Or they can happen

Exercise Finding the right exercise program and the right preparation Physical activity is an important action that people can do to improve their health. Experts advise getting at least 150 minutes of moderate-intensity, aerobic physical activity every week for major health

Anatomy of the Skin Facts about the skin The skin is the body's largest organ. It covers the entire body. It serves as a protective shield against heat, light, injury, and infection. The skin also: Regulates body temperature Stores water and fat Is a sensory organ Prevents water

Anatomy of the Endocrine System The endocrine system is a complex network of glands and organs. It uses hormones to control and coordinate your body's metabolism, energy level, reproduction, growth and development, and response to injury, stress, and mood. The following are key

Alcohol and Pregnancy The risks involved with alcohol use during pregnancy Drinking alcohol while pregnant is a leading cause of birth defects in a baby. Everything a pregnant person drinks also goes to the baby. Alcohol is broken down more slowly in the baby's developing body

Overview of the Male Anatomy This is an overview of the male reproductive anatomy: Scrotum. The bag of skin that holds and helps to protect the testicles. The testicles make sperm. To do this, the temperature of the testicles needs to be cooler than the inside of the body. This

Low-Vision Devices What is low vision? Low vision is a condition that means your vision can't be helped with traditional eyeglasses, contact lenses, intraocular lens implants, or corrective surgery. But in some cases, people with low vision may get help with special visual

Skin Pigment Disorders What are skin pigment disorders? Skin color is determined by a pigment (melanin) made by specialized cells in the skin (melanocytes). The amount and type of melanin determines a person's skin color. What is the function of melanin? Melanin's role is to

Diet for Lactose Intolerance What is lactose intolerance? Lactose is the name of the sugar found in milk. Lactose intolerance occurs when your body can’t break down all the lactose in the foods you eat. Symptoms of lactose intolerance include: Diarrhea Gas Bloating Stomach pain

Risks of Pregnancy Over Age 30 Many women wait until later in life to have children. In the U.S., birth rates for women in their 30s are at the highest levels in four decades. But an older mother may be at increased risk for things such as: Miscarriage Birth defects Twins High