A fever is one of the most common symptoms children experience. While it can be scary when your child has a fever, it is actually one of the body's best tools for fighting infection. Fever helps slow the growth of viruses and bacteria.

Spinach is loaded with nutrients. Eating 1/2 cup cooked spinach adds 190 percent of your daily recommended dose of vitamin A to your diet. You'll also get 20 percent of your daily value of iron from 1/2 cup cooked spinach. However, spinach can cause some unpleasant side effects if you eat it in large quantities.

Optimum Nutrition Serious Mass is a high-calorie, high-protein supplement intended to promote increases in lean muscle mass and weight. While Optimum Nutrition Serious Mass may help you gain muscle when used in conjunction with a workout program, it may also trigger unpleasant side effects.

With its rough and textured skin and a crown of spiky green leaves, the pineapple doesn’t appear to be a very appealing fruit from the outside. But once you cut the citrus fruit open, it presents a vibrant yellow, juicy flesh with a sweet flavor and delicious aroma.

Mass-Tech is a supplement manufactured by the sports nutrition company MuscleTech. This product is intended to help you gain weight when used along with a resistance training program. Mass-Tech is high in calories and protein, so it may help you achieve muscle growth.

The gastrointestinal tract includes your mouth, stomach, small intestines and large intestines.

Sometimes the instructions for collecting stool samples can be very confusing. What foods should you eat and which should you avoid? The recommended diet before collecting a stool sample varies according to the test being performed. Some tests do not require any special preparation or dietary restrictions.

Iron's main role in the body is to transport oxygen and carbon dioxide through the blood. Vitamin C is necessary for growth and repair in your body, and it increases iron absorption. Most people get enough vitamin C from their diet, so taking a vitamin C supplement may not be necessary.

How you feel during the first month of pregnancy can vary greatly from woman to woman. Some women begin experiencing symptoms from the moment the fertilized egg implants in the uterus, whereas others may not notice any changes until well after the first month.

Seniors who stay active are more likely to be happier, healthier and live longer than their sedentary counterparts.

Water retention usually occurs during premenstrual syndrome, medication, disease or excessive sitting or standing. Also called edema, water retention is defined by the University of Maryland Medical Center as the accumulation of abnormally large amounts of bodily fluid.

Hydration is key to staying and feeling healthy. Your body has an intricate system of keeping fluids and electrolytes balanced, and proper hydration is a main component of this process. If this system is not functioning properly, you may suffer the dangerous consequences of dehydration.