Vitamin D
It has long been known that we need vitamin D for bone health because the body needs the vitamin to absorb calcium. Levels of vitamin D in the human body are declining due to reduced sunlight exposure and lower intakes of the vitamin. The main food source of vitamin D is fortified milk, however most adults do not consume 32 ounces (4 cups) of milk daily. The other main source of vitamin D is from the sun but with the advent of sunscreen the UV radiation necessary
to generate vitamin D in the skin is blocked.
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The Immune System
You cannot see it or feel it but your immune system is quietly and constantly surveying your body to find and destroy infectious bacteria, fungi, parasites and viruses. As we age there is a reduction in our immune response. We get more inflammatory disease, more infections and more cancer. Maintaining the immune system is important. Some supplements can give the immune system a boost, however, not all claims about supplements have been proven.
When taken in excess, some supplements such as vitamin A, iron, selenium and
zinc can actually reduce immunity.
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Fats, Fats, Fats
Cholesterol in Your Blood
- LDL cholesterol is often referred to as “bad” cholesterol. High levels of LDL cholesterol in your blood increase your risk of heart disease.
- HDL cholesterol is frequently called “good” cholesterol. High levels of HDL decrease your risk of heart disease.
- (Don’t look for LDL and HDL cholesterol in food. These terms refer only to blood cholesterol.)
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Gastroesophageal Reflux (GER) and Gastroesophageal Reflux Disease (GERD)
Gastroesophageal reflux (GER) is common and occurs when the lower esophageal sphincter opens spontaneously and allows some of the stomach content to rise into the esophagus. Sometimes this is referred to as acid reflux because some of the acidic digestive juices rise with the food. If acid reflux occurs more than twice a week it is considered gastroesophageal reflux disease (GERD). Heartburn is the most common symptom of GERD.
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