Hernias often occur when you've exerted your body to the point where the pressure is so extreme that a sac of lining pushes through the tissue surrounding a muscles. Abdominal and femoral hernias are common in adults and are usually the result of strain.

High cholesterol presents a major risk factor for heart disease, the leading cause of death in the United States. The Centers for Disease Control and Prevention estimate that over 70 million Americans had high LDL or "bad cholesterol" levels.

If you have experienced a concussion, you may wonder when it is safest to resume exercising. Concussions, a type of head injury also known as mild traumatic brain injury, affect many people in the United States -- 128 people out of every 100,000 each year, according to the February 2009 "

When crossing your legs, you contract and flex your upper thigh and hip flexor muscles in order to bring one leg over the other while in a seated position. Feeling pain in this area of your body while attempting to cross your legs might be a sign of injury or a chronic medical condition of the joint.

The hormone progesterone plays an integral role in maintaining the uterine lining so an embryo can implant and grow. The corpus luteum, the leftover remnant of the follicle that produced an egg that month, produces progesterone starting immediately after ovulation.

If you’ve been diagnosed with lactose intolerance, you can eat eggs as long as you don’t add any milk. Eggs do not contain lactose, the sugar found in milk, according to Drugs.com, but use caution when purchasing premixed egg products because they might contain milk proteins.

You can greatly reduce cholesterol levels by simply changing your diet and knowing the right foods to eat. Daily exercise also helps to reduce cholesterol. Lowering your LDL, or bad, cholesterol levels reduces the risk of plaque build-up in the arteries.

Androgens are the group of male hormones that include testosterone. Excess production can lead to a number of hormonal disorders like polycystic ovary syndrome and might even increase cancer risk.

Snoring not only keeps you and your spouse up at night — it can be dangerous to your health. Loud snoring can increase your daytime fatigue and cause you to stop breathing as you sleep, which can affect your heart. If you snore with your mouth closed, this can indicate a problem with your tongue positioning.

Terminal liver cancer occurs when the cancer has spread outside of the liver to other vital organs in the body. It can be hard for the friends, family and caretakers to deal with the death of someone who is in the final stages of liver cancer.

Preparation H is a brand of various creams, ointments and other treatments for hemorrhoids. The McKinley Health Center at the University of Illinois at Urbana-Champaign describes hemorrhoids as inflamed and swollen veins in the lower rectum and/or anus.

Both seasonal allergies and sinus infections can make you feel congested and miserable, and sometimes it's difficult to tell them apart. In addition, allergies and sinus infections are linked; nasal blockage caused by allergies can increase risk of sinus infections.