Normal aging causes brain functions to change. Over time, healthy individuals experience the decline of some cognitive ability. Small declines in the area of memory, both visual and verbal, may occur along with some short-term memory loss. The brain, like any muscle, needs exercise to stay in shape.

Sparkling cider is a bubbly, non-alcoholic form of apple juice often used as a celebratory beverage in place of champagne. Although the fizzy beverage has certain nutritional benefits and is free of fat, cholesterol and sodium, sparkling cider has a relatively high calorie content at about 140 calories per ounce.

The Mayo Clinic defines an essential tremor as a central nervous system disorder resulting in chronic shaking or rhythmic muscle spasms. These essential tremors may occur in nearly any portion of the body; however, the most common areas of shaking are isolated within the hands, head, arms or legs.

Between homework, tests and maintaining a social life, it can be difficult for students to find time to maintain a healthy lifestyle. However, poor health can quickly lead to stress, self-esteem issues, poor mood, illness and fatigue.

Tonsillitis is an inflammation or infection of the tonsils characterized by redness, swelling, inflammation, and pain in the throat. Other symptoms may include fever, chills, vomiting, swollen glands, muscle pain and lethargy. Tonsillitis may result from either a viral or bacterial infection.

The benefits of regular exercise are plentiful. Both aerobic and anaerobic exercise are proven to help control weight, increase stamina, boost the immune system and improve mood.

Sipping on certain herbal teas can help ease uncomfortable symptoms during menstruation and premenstrual syndrome. Some herbal teas counteract heavy bleeding, irregular periods and amenorrhea.

People who have had a stroke need to learn to do many daily activities all over again. Hand-eye coordination, balance, the ability to get dressed and walking may all be affected.

While it may look fashionable, lip jewelry is not without drawbacks. Lip rings, barbells and studs can have both immediate and long-term adverse effects on the lips, teeth and gums. At least 50 percent of people with lip rings experience injury to their teeth or gums.

A craniotomy is a surgical procedure in which a small portion of the skull is removed, allowing a surgeon to access the brain. This type of surgery may be beneficial for people who develop a brain aneurysm or tumor, or experience significant brain trauma.

Aloe latex is a yellowish fluid derived from the inner lining of the leaves of aloe vera plants. Aloe latex is purported to have healing properties, but these claims have not been proven substantial enough to allow it to be sold as anything more than a dietary supplement in the United States.

Tea tree oil is a natural antibacterial, antifungal that can be used naturally to help with a variety of things. It can be a disinfectant for the home, act as an antiseptic and treat infections. Tea tree oil can also be used to treat nasal congestion, which is caused by nasal membranes in the nasal passage swelling.