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15 Health Myths That Make Doctors Cringe
Getting a base tan can prevent sunburns
Tanning can increase your risk of cancer. Sun damage is the primary cause of wrinkles.
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Key Ideas
Vitamin D and sunshine
Vitamin D is essential for calcium absorption and many other biological processes. Lower levels of Vitamin D increase the rates of almost every disease like cancer, diabetes, osteoporosis, cognitiv...
Vitamin D supplementation
Getting vitamin D through supplementation shows zero benefits. A study over a period of 5 years found supplementing with Vitamin D had no impact on cancer, heart disease, or stroke.
A number of researchers now argue that people with high vitamin D levels are healthy not because of the vitamin, but because they get plenty of exposure to the sun. Vitamin D is just a marker of that fact.
Sunlight is good for you
A dermatologist discovered our skin uses sunlight to make nitric oxide, a molecule in the body that dilates blood vessels and lowers blood pressure.
He exposed volunteers to the equivalent of 30 minutes of summer sunlight without sunscreen. The result? The nitric oxide levels in the volunteers went up, and their blood pressure lowered. Because of the connection of high blood pressure to heart disease and strokes, this discovery can prevent millions of deaths globally.
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Key Ideas
Drink 8 Glasses of Water a Day
Everyone has a different requirement for water. Temperature, humidity, size, age, gender and activity have an influence on your fluid needs.
Instead, drink when you are thirsty.
Eggs Harm Your Heart
Eggs have a lot of cholesterol compared to other foods. Although cholesterol in the blood is strongly related to heart disease, eating cholesterol is weakly associated with raising the cholesterol levels in your blood.
Eggs have other heart-protecting properties and eating it probably won't harm your heart.
Cancer or Alzheimer’s From Antiperspirant
- A chain email in the 1990s was responsible for the false belief that antiperspirant was raising the risk of breast cancer.
- When researchers found higher ratios of aluminum in the brains of Alzheimer's patients, aluminum in antiperspirant was suspect. But it seems aluminum in antiperspirant is hardly absorbed by your skin.
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Key Ideas
There is no "best diet"
The “best” diet is a theme: an emphasis on vegetables, fruits, whole grains, beans, lentils, nuts, seeds, and plain water for thirst.
That can be with or without seafood; with or...
Best foods don’t have labels
Because they are just one ingredient: avocado, lentils, blueberries, broccoli, almonds, etc.