Live Well is an online service provided by the NHS with advice, tips and tools to help you make the best choices about your health and well being. Sections are included on weight and diet, activity, stress and exhaustion, smoking and sexual health. Eating a healthy balanced diet is an important part of maintaining good health, and can help you feel your best. This means eating a wide variety of foods in the right proportions, and consuming the right amount of food and drink to achieve and maintain a healthy body weight. To find out if you're a healthy weight for your height, work out your body mass index (BMI). You can easily check your BMI by using the MBI online calculator. A BMI between 18.5 - 24.9 is considered healthy. How much physical activity do adults aged 19 - 64 years old need to do to stay healthy? To stay healthy or improve health, adults need to do 2 types of physical activity each week: aerobic and strength exercises. Feeling exhausted is so common that it has its own acronym, TATT, which stands for "tired all the time" . We all feel tired from time to time. The reasons are often obvious and could include; - Too many late nights - Long working hours - A baby keeping you up all night Research shows stopping smoking also lets you breathe more easily. People breathe more easily and cough less when they give up smoking because their lung capacity improves by up to 10% within 9 months.