The aloe vera plant is a member of the succulent family. It originates from North Africa but has been naturalized in North America and Europe.

Back seeds, also called black cumin, are the seeds of the nigella sativa flowering plant, commonly known as fennel flower. Black seeds and the oil pressed from them have been used in traditional medical systems in different cultures for centuries.

Many tropical plants have a long history of use in folk medicine, although modern medical science has yet to fully investigate and corroborate traditional claims.

A sinus infection, also known as sinusitis, causes the lining of your nasal passages to become swollen or inflamed. Sinus infections are common and often follow a viral, bacterial or fungal infection that damages the lining in the nasal passages.

In the ancient medicine system of Ayurveda, ashwagandha is regarded as a powerful and health-promoting herb. Also known as Withania somnifera, this shrub’s root and small, berry-like fruit have been used medicinally in India since at least 6,000 B.C., making it one of the oldest known medicinal herbs.

Although you may have heard of alfalfa -- Medicago sativa -- you may know it as a farm crop used mostly as animal feed. A member of the legume family of plants, alfalfa is also dried and ground to produce a powdered supplement that's been part of herbal medicine for hundreds of years.

Fats and oils are essential to your health and many of your body's functions. The oils most important for brain, nerves and skin include the essential fatty acids, which are available in a variety of foods that include olive oil and avocados.

High blood pressure is often described as a chronic condition. Most people develop high blood pressure gradually, experiencing a slight increase in the force of blood along the arterial walls year after year. Treating this condition often comes down to lifestyle changes, mostly involving diet and exercise.

Honey and cinnamon have not been clearly found to cause weight loss directly. However, research shows they help lower blood sugar and cholesterol levels, which are related to being overweight or obese. There are many ways to use honey and cinnamon. Brew cinnamon bark tea and add honey as a natural sweetener.

An antidiuretic is a substance that helps the body retain water. It prevents the kidneys and bladder from removing and eliminating water from the body too quickly. Antidiuretic medicines are used to treat bed-wetting, incontinence and similar conditions. Some herbs have natural antidiuretic properties.

Smooth Move is an herbal tea manufactured by Traditional Medicinals of Sebastopol, California, which has been producing herbal teas since 1974. Smooth Move tea comes in four flavors, including its original citrus blend, plus chamomile, chocolate and peppermint.

Aspergillus is a genus, or category, consisting of hundreds of mold species around the world. Aspergillus species prefer oxygen-rich environments and are common contaminants on starchy foods, such as bread and potatoes, and some nuts, such as peanuts and walnuts.