More than nine million North Americans suffer from low thyroid function, but many people are not diagnosed or treated because they have never been tested. One million people take thyroid replacement pills, but some are not being treated properly because they are taking only one thyroid hormone when they need two to really feel better.
Nobody knows exactly why overweight is associated with increased risk for so many types of cancer, but the most likely explanation is that storing fat in your belly means that you store excess fat in your liver. Your liver controls blood sugar levels.
A single CT scan routinely used to evaluate patients for heart disease emits more than 150 times the amount of radiation that comes from a single chest X-ray. Radiation can damage the DNA genetic material in cells, kill some cells, and cause increased expression of genes involved in the repair or death of cells...
Researchers at Stanford reviewed the medical records of nearly three million people and found that those who took a type of ulcer medication called Proton Pump Inhibitors (PPIs) were almost 20 percent more likely to suffer heart attacks than those not taking these drugs (PLoS ONE. June 10, 2015). PPIs reduce excess stomach acidity...
Almost all skin cancers are caused by excessive exposure to sunlight. Basal and squamous cell skin cancers are caused by cumulative exposure to sunlight over a lifetime, so every time you expose any part of your skin to direct sunlight, you are adding to the damage that you have received from previous exposures.
Cramping during sleep is usually due to an exaggeration of a normal muscle reflex. When you turn during sleep, you contract your calf muscles and stretch their tendons. This stimulates nerve stretch receptors in the tendon and sends a message back to the spinal cord, telling the calf muscles to contract.
Colds and pneumonia are caused by infection. You do not pick up infections from cold weather, you get germs from other people who sneeze or cough in your face or transmit germs with their hands to objects that you touch.
The risk of developing dementia doubles every five years after age 65, until by age 85 almost 50 percent of North Americans suffer some degree of dementia. Finnish researchers showed that they were able to slow the onset of dementia in people at high risk with a lifestyle program.
A study published this week shows that vegetarians who eat fish have a 43 percent reduced risk for developing colon cancer, compared to people who eat meat (JAMA Internal Medicine, March 9, 2015). Researchers analyzed the diets of nearly 78,000 men and women. During an average seven years of follow-up, they identified 380 cases...
People who take aspirin are at reduced risk for colon cancer, unless they are among the four percent of North Americans who have a genetic susceptibility for colon cancer (JAMA, March 17, 2015;313(11):1133-1142). Colon cancer is the second leading cause of cancer death in the United States (after lung cancer), with 1,162,426 people living...
A recent study from respected researchers at Johns Hopkins claims that two-thirds of adult cancers are caused by random DNA mutations in your cells, and far fewer cancers are caused by genetics, lifestyle or exposure to cancer-causing agents.
Millions of North Americans take zinc lozenges to treat their colds. A study in the Archives of Internal Medicine showed that they neither shorten the cold nor lessen its symptoms. Another study from the University of Virginia showed that zinc nasal sprays do not prevent or treat the common cold.
The most common cause of senility in North America is Alzheimer's disease, a horrible condition in which a person loses his capacity to reason, think, recognize and function. Former president Ronald Reagan had Alzheimer's disease, as do some Nobel Prize winners and some of the most brilliant people who have walked this earth.
All people smell when they don't bathe often enough. Sweat doesn't smell when it first reaches your skin. The odor comes only after bacteria or fungi on the skin's surface break down the fat in sweat to form chemicals that smell. Most sweat glands produce sweat that contains no fat, but the sweat glands around the breasts, genitals and armpits produce sweat that contains fat.
Colon cleansers are foods and laxatives that loosen your stool and make you go to the bathroom. The latest research shows that regular use of laxatives or colon cleansers can harm you by blocking the absorption of healthful nutrients from your colon into your bloodstream.
The most common complaint among older people is constipation. If you have constipation, check with your doctor who often orders thyroid tests and a barium enema to rule out a cancer or other obstruction or diabetic nerve damage. Usually these tests are normal and you need to correct your diet. Eat whole grains and stop eating foods made from white flour.
If you belch or have burning in your stomach or chest, particularly when your stomach is empty, you probably have either an infection, a tumor, or a condition called GERD (reflux or regurgitation). Infection with bacteria such as helicobacter pylori is by far the most common cause.
Sunscreens offer only partial protection from the sun. It is dangerous to expose large areas of your sun screen-coated skin to sunlight. If you want to really protect your skin from sun damage, get under a roof when the sun is out in full force. Clothes are next best, and sunscreens are a poor third.
A study in the UK that followed 5.24 million people for 7.5 years identified more than 166,000 who developed at least one of 22 cancers. Each 5-point elevation of BMI above normal (equal to about 30 pounds for a person 5'6" tall) was associated with significantly higher risk for cancers of the uterus, gallbladder,...
A hammertoe is a general name for a toe that is bent. Hammertoes are caused by genetics, arthritis, poor-fitting shoes, or feet that are either excessively high-arched or flat. You can't change genetics, and in most cases, you can't prevent arthritis.
An international team of research scientists and practicing doctors from Canada, the United States and Australia report that the bacterium that causes Lyme disease is found in 100 percent of the vaginal secretions of women and half of the semen of men suffering from Lyme disease.
"When it comes to cancer, no amount of alcohol is safe." This is the conclusion of the 2014 World Cancer Report, issued by the World Health Organization's International Agency for Research on Cancer. Alcohol can cause cancers of the esophagus, breast, mouth, pharynx, larynx, esophagus, colon-rectum, liver and pancreas. It is also associated with...
If you lose feeling in a particular part of your body, lose control of your muscles or have abnormal nerve sensations such unexplained pain, burning in your feet, tingling or itching, you usually have a neuropathy: nerve damage. Nerves can be damaged by something pinching or stretching them, such as excessive pressure from moving a limb repeatedly (as in carpal tunnel syndrome in your hand), scar tissue, or a disc problem in your back.
A neuroma is a swollen or damaged nerve. This often occurs between the bones that your toes attach to on the foot, most commonly between the third and fourth toes. Neuroma can be caused by tight shoes, repetitive stress or trauma.
Edges of toenails that press into the flesh can cause pain, swelling, redness, and even infection. Your skin may start to grow over the ingrown toenail. Treatments include special chemicals, lasers, and various ways to remove the edge of the nail that presses into the skin.
Dry skin on any part of the body can be annoying and can cause flaking and cracking, redness due to scratching, and unsightly patches of thick or hard skin. When dry skin occurs on the feet, the symptoms are magnified due to wearing shoes, the stretching of the skin on the feet with every step . . .
Skin responds to friction and pressure by thickening. This is helpful until the skin becomes so thick it actually hurts. Skin that thickens without a core is called callus. They usually form under the foot. Corns are thick spots of skin with a deep, central core. They usually form on the toes.