The human gut is home to trillions of microorganisms that help to regulate digestion, the immune system and other crucial aspects of human health.

While most people take iron safely, excessive amounts of iron can be toxic. Symptoms may range from fatigue to life-threatening shock. The signs and symptoms of acute iron toxicity are different than those of chronic toxicity.

Amla, also known as Indian gooseberry, is a tree native to China, India and other tropical areas in Asia. The extract or powder obtained from these potent gooseberries has been primarily used in traditional Indian Ayurvedic medicine.

The desire to increase breast size is common. However, with countless products, equipment and herbs on the market touting to provide breast enlargement, it’s hard to know what will work for you. Rather than look to these products, consider alternative methods.

Hypothyroidism is a medical condition that occurs if your thyroid--a small gland within your neck that is part of your endocrine system--produces abnormally low levels of thyroid hormones. These thyroid hormones are responsible for regulating your metabolism, or how your body uses energy.

Atropine is an anticholinergic medication that may be administered in a variety of medical situations. Anticholinergic drugs block the action of acetylcholine, a neurotransmitter found in many places throughout the body. Atropine is often used during surgical procedures performed under general anesthesia.

Although sodium is essential for a healthy body, a significant majority of Americans eat more than twice the recommended amount, according to the American Heart Association. While those salty snacks might be tantalizing to the taste buds, they’re quite dangerous to the body’s health.

Most toddlers engage in physical play and exercise on a daily basis, as they learn how to interact with their environment and peers and develop skills such as jumping and climbing. However, sometimes exercise can lead to troubling symptoms such as coughing.

Bone scans and magnetic resonance imaging, or MRI, are tools used to determine the presence of certain diseases in bones. Both imaging tests are commonly used in the diagnosis of infections and cancer in the bones.

Chest colds are a miserable experience for everyone, but it is especially difficult for parents when their babies have chest colds. There is little that can be done to help infants with chest colds and parents must wait for the virus to run its course.

The internal carotid artery provides blood supply to most of the brain's cortex on one side, including the frontal, parietal and temporal lobes. Only the posterior parts of the brain are supplied by different arteries.

Methylsulfonylmethane, or MSM, is organic sulfur used by the body to grow bone, hair and nails. Drugs.com reports that MSM may be useful in elevating conditions such as arthritis or allergies. It is also used as a combatant against some parasitical infections.