Focusing more on lifestyle issues and their relationships with functional health, data from the Alameda County Study suggested that people can improve their health via exercise, enough sleep, maintaining a healthy body weight, limiting alcohol use, and avoiding smoking.[28] Health and illness can co-exist, as even people with multiple chronic diseases or terminal illnesses can consider themselves healthy.[29]


Schedule yearly checkups with your doctor and keep these appointments. Your doctor can help monitor your weight, blood pressure, and the level of cholesterol in your blood. Excess weight, high blood pressure, and high blood cholesterol are risk factors for cardiovascular disease. Your doctor can recommend lifestyle changes, medications, or other treatments to help get your weight, blood pressure, and blood cholesterol under control.
Health, as defined by the World Health Organization (WHO), is "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity."[1][2] This definition has been subject to controversy, as it may have limited value for implementation.[3][4][5] Health may be defined as the ability to adapt and manage physical, mental and social challenges throughout life.[6]
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