1.Eat a healthy diet. This means eating plenty of fruits, vegetables, and whole grains. It also means limiting processed foods, sugary drinks, and unhealthy fats. Get regular exercise. Aim for at least 30 minutes of moderate-intensity exercise most days of the week. Get enough sleep. Adults need 7-8 hours of sleep per night. Manage stress. Find healthy ways to manage stress, such as exercise, yoga, or meditation. Don't smoke. Smoking is one of the leading causes of preventable death. Limit alcohol intake. Drinking too much alcohol can increase your risk of health problems, such as liver damage, heart disease, and cancer. Limit alcohol intake. Drinking too much alcohol can increase your risk of health problems, such as liver damage, heart disease, and cancer. Get regular checkups. See your doctor for regular checkups, even if you feel healthy. Know your numbers. Get your blood pressure, cholesterol, and blood sugar levels checked regularly. Get vaccinated. Get vaccinated against diseases such as the flu, pneumonia, and shingles. Be positive. A positive attitude can help you stay healthy and cope with stress.