I walked into the hospital room. She lay on her bed with tubes running from her arms and electrodes taped to her chest. Equipment at the side of the room recorded her heartbeat and blood pressure.

She looked up at me and said, "I know you." I smiled. She studied my face for a few moments. Finally she said, "Yes, I know you. You’re my son Billy!"

That was my mother about a month before she died. She was 85 years old. She had had Alzheimer disease, the most common cause of dementia.

The chances of having dementia rise as you get older. By age 85, about 35 out of 100 people have it1. After watching my mother I hoped I could figure out how to fit into the sixty five percent who grow old with a strong, active brain.

The Brain’s Functions

The brain is your body’s control center. It controls the autonomic nervous system, those automatic activities such as respiration, digestion, and heartbeat. It controls the somatic nervous system which activates your sense organs and muscles. It also controls conscious activities such as reasoning, abstraction, decision making and thought. It defines your characteristics and personality. Your brain controls every activity in your body.

As you age, your brain begins to function at a slower pace. It also takes longer to rejuvenate. Your lifestyle, as well as other external factors, will affect your brain’s aging process. The good news is there are ways to enhance the power of your brain as time catches up with you. The following are four ways to help slow your brain’s aging process.

1. Live a Healthy Life

The second most common cause of dementia is atherosclerosis, or in simple terms, hardening of the arteries in the brain. This is known as vascular dementia, accounting for as many as 40% of cases. Vascular dementia has been linked to high blood pressure, high cholesterol levels, heart disease, diabetes and related conditions. Most experts feel that treating these underlying conditions can decrease the odds of contracting vascular dementia or, if a person already has it, can slow its progress. These diseases are often accelerated by smoking, excessive drinking and both prescription and recreational drug use.

Smoking is bad for your health. It is also bad for your brain. A study conducted in the Netherlands followed 7,000 people age 55 and older for an average of seven years. During that time, 706 of the participants developed dementia. Smokers were found to be fifty percent more likely to develop dementia than people who had never smoked or had quit before participating in the study.

Alcohol abuse has been linked to15 to 25 percent of all dementia cases2. Alcohol affects the brain directly as a neurotoxin and is the cause of serious long term negative effects on the central nervous system. Alcohol abuse can lead to malnutrition, vitamin deficiencies and can also cause liver damage. Studies show that these can lead to brain shrinkage and brain damage.

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