Histamine is a chemical which is made by the body and has a number of roles in the human body. Medications that interfere with histamine can be used to treat allergies as well as acid reflux.

The blood vessels that lie on either side of your neck and carry blood from your heart to your brain are called the carotid arteries.

Effexor, which is the brand name for the medication venlafaxine, is an antidepressant typically prescribed to treat depression or anxiety.

Everyone experiences anxiety during times of stress, and our bodies are able to cope with this. Some people, however, experience anxiety during times that are not stressful and have no control over how their bodies are reacting to events that should not produce such responses.

Infections of the microscopic Giardia parasites, also known as Giardia duodenalis or Giardia lamblia, usually clear up in two to six weeks on their own. However, repeated infections or infections in people with compromised immune systems can have long-term effects, some of them severe.

Food allergies occur when the body's immune system mistakenly attacks food proteins, causing the body to release large amounts of histamines and other immune chemicals. The body releases these chemicals so suddenly that a person can have a life-threatening allergic reaction within moments of eating a trigger food.

Adderall, a stimulant medication made of amphetamine and dextroamphetamine salts, is used to treat the symptoms of attention deficit hyperactivity disorder and the sleep disorder narcolepsy.

A sunburn only goes skin deep, so it doesn't directly affect your baby if you're pregnant. However, side effects related to a severe sunburn could potentially have undesirable effects on your pregnancy. It's also important to watch for symptoms of overheating, which can pose problems for pregnant women.

Your doctor or athletic trainer may suggest you wrap your calf if you have shin splints or another related injury. Wrapping your calf provides stabilization and support for the muscles, tendons and ligaments of your lower leg. Although it is easiest to wrap a calf with a partner's help, you can wrap your own calf.

You may notice your infant is becoming constipated by the frequency and manner of how his stools are passed. If your infant is straining to have a bowel movement, having them once or less per day or is passing hard and small stools, he may be constipated. Constipation can be painful for your little one.

If you are fair skinned and plan to vacation in a more tropical climate than you're used to, you could be at risk for developing heat rash. Heat rash or prickly heat causes the skin to become red, swollen and blotchy and is often itchy and uncomfortable.

Isomalt and xylitol are two of the common sugar alcohols found in sugar-free products, along with sorbitol, mannitol and maltitol. Sugar alcohols contain fewer calories than regular sugar and do not raise your blood sugar levels as much as traditional sweeteners.