Most people get more than enough vitamin B-12 in their diets. It’s found in animal-derived foods, such as milk, yogurt, cheese, beef, eggs and fish, and in most fortified breakfast cereals. But there’s always the potential of developing a deficiency.

Children with diarrhea may be at risk for dehydration, a dangerous condition resulting from fluid loss. Diarrhea can be caused by bacterial infections, parasites and other conditions, but it is most commonly caused by viral infections.

Certain conditions and trouble with feeding can trigger a rash around the nipples during or after breastfeeding. Although nipple rashes are not typically dangerous, they are uncomfortable and annoying, particularly when you're trying to feed.

It is a common misconception that medications available over the counter are safe for anyone to take. Individuals with hypertension should be aware that these readily available medications can have an impact on the control of their disease.

Constipation can result in hard, dry stools that are difficult for a baby to pass. When looking for a remedy to improve baby constipation, many parents turn to time-tested mineral oil. This readily available, over-the-counter laxative works by forming a coat over the intestinal surface that prevents water absorption.

"Yoga Journal" reports that shoulder injuries are common among practicing yogis. If shoulders are already weak and susceptible to injury, yoga postures need to be done with caution and care. Yoga poses should build strength in the shoulders without aggravating the injuries.

Getting pregnant is not always easy; in fact, it can be quite difficult. For ovulation to occur, hormone levels must be balanced properly. If not, anovulation may occur. There are ways to track progestrone levels and ovulation.

Wrist and shoulder pain can come from a variety of different reasons. The most common reasons for wrist and shoulder pain are from arthritis or a previous injury. Shoulder pain is usually due to the soreness in the shoulder tendon while wrist pain usually comes from cartilage deterioration and carpal tunnel syndrome.

Most people experience muscle aches and pains at one time or another, usually due to overexertion. The surrounding fascia, tendons and ligaments are often involved, as well as the muscle itself.

Estrogen is a hormone that is produced by a woman's ovaries. Throughout your life, your estrogen levels will rise and fall. Hair growth accelerates as estrogen levels increase, while later in life you may experience hair loss as estrogen levels drop.

Triggered by an allergic reaction to the plant oil called urushiol, poison ivy rashes produce a severe prolonged itching that will not stop. Poison Oak Rash.net states that about 80 percent of the general population will be allergic to urushiol.

Ritalin is the brand name for methylphenidate, a stimulant used to treat Attention deficit hyperactivity disorder, or ADHD, in children and adults. ADHD is a psychiatric disorder characterized by inattention, impulsivity, and hyperactivity.