Essential oils are highly concentrated plant material made through a process of distillation. Because they are so potent, essential oils need to be diluted before added to hair in a carrier oil, such as jojoba oil, almond oil, or apricot kernel oil.

Quantitative research guides health care decision makers with statistics--numerical data collected from measurements or observation that describe the characteristics of specific population samples. Descriptive statistics summarize the utility, efficacy and costs of medical goods and services.

Your body makes an amino acid called L-carnitine in the liver and kidneys and uses it to turn fat into energy. Normally your body can make all the L-carnitine it needs, but some cardiac or vascular diseases can cause low levels of L-carnitine in the body.

Neck pain is a common complaint; over 50 percent of people complain of neck pain during the course of a year, according to the University of Illinois at Urbana-Champaign's McKinley Health Center. Ligaments attach bone to bone; stretching the ligaments too far or tearing them causes pain.

Physical and occupational therapists are often the first to stand and transfer you after surgery or injury. Transfers, or moving from the sitting to standing position or moving from one seated surface to another, are integral to completing many vital daily tasks.

Intestinal gas by itself is not likely to cause your baby to develop a fever. If she has a fever with intestinal symptoms, such as diarrhea or vomiting, she may have a gastrointestinal bug. However, if she appears to be physically uncomfortable and is unusually warm, look for other reasons for the elevated temperature.

Aloe vera is a plant that has been used for medicinal purposes for some 6,000 years. Ancient Egyptians depicted the plant on stone carvings. It was given to pharaohs as a burial gift and called the plant of immortality.

It’s not uncommon for babies to come down with a cold. The common cold is an infection of the upper respiratory tract. It causes symptoms, such as congestion, runny nose and fever. If your baby has a fever of 101 degrees or higher, consult her pediatrician for advice.

Stevia is a type of natural sweetener derived from the leaves of a variety of plants that primarily grow throughout North and South America. Stevia is used as a sweetener and a sugar substitute because it has about 300 times the sweetness of sugar without the calories.

Calcium makes up 1 percent to 2 percent of adult body weight. While over 99 percent of calcium is found in teeth and bones, the rest is present in blood, muscles and other tissues. Calcium deficiency is commonly caused by vitamin D deficiency or by dysfunction or surgical removal of the parathyroid glands.

Men's fertilization abilities can decrease after age 40, but the clock doesn't tick quite as loudly as it does for women. Many men become dads after 50. Actor Tony Randall became a father at age 77. So there is a lot of hope. But the reality is that aging can make a difference in sperm count.

Pressure in the ears, also known as aural fullness, can be caused by a number of reasons, most of which are temporary and disappear on their own. According to Dr. Douglas Hoffman in his column AllHealth.