The following factors usually affect the physical fitness and wellness of an individual:

1. Regular Exercise: It is the most important factor which affects the physical fitness of an individual.
2. Amount of Training: The amount of training also affects the physical fitness. If the amount of training is not upto desirable level, he will be incapable of improving his physical fitness. It should be increased slowly.
3. Rest and Relaxation: It also affect the physical fitness of an individual. If proper rest and relaxation are taken, there will be positive effect on the physical fitness of an individual.
4. Stress and Tension: It tends to have a negative effect on physical fitness and wellness. Stress and Tension decreases the psychological power of an individual.
5. Age: It is also one of the major factors which affect the physical fitness and wellness of an individual.
6. Gender: It also affects the level of physical fitness and wellness. Infact, there is an anatomical, physiological, and psychological difference between males and females.
7. Environment: The environment, which includes climate, temperature, altitude, social, and cultural factors affect the physical fitness and wellness of a person.
8. Diet: It also influences the level of physical fitness and wellness. Good diet helps not only in maintaining the physical fitness but it also improves the level of physical fitness.

Healthy diet or good nutrition is one of the main components of a positive lifestyle. In fact, a healthy diet or good nutrition is necessary to lead a healthy or positive lifestyle. The basis of a healthy diet is lots of fruits and vegetable, whole grain food and low-fat dairy products. Such a diet is required every day in order to maintain the adequate amount of vitamins, nutrients and minerals that is needed to maintain a healthy body. That is why it is rightly said that to eat is a necessity but to eat intelligently is an art.

1. Regular Physical Exercise: It helps in preventing obesity, high blood pressure, heart diseases, stroke, diabetes, some types of cancer, constipation, depression and other healthy threats.
2. Healthy eating habits: Healthy eating habits can help the individuals in preventing as well as controlling the disease such as high blood pressure, heart disease, diabetes, osteoporosis, muscular degenerating renal stones, dental diseases and including certain type of cancer.
3. Limit T.V. Watching: Watching T.V. for a number of hours regularly is associated with increased various research studies.
4. Quit for Smoking: Quitting smoking is significant for a healthy lifestyle. Infact smoking, use of tobacco in any form increases the blood pressure which may cause stroke and coronary artery disease.
5. Sufficient sleep: Sufficient sleep is also very significant part of a healthy lifestyle.
6. Prevention of injury: Prevention of various types of injuries owing to fatal accidents plays a vital role in maintaining a healthy lifestyle.
7. Limit the amount of alcohol: To use alcohol in limited amount is also an important part of healthy lifestyle.

Importance of healthy/ positive lifestyle are:

1. Increase the longevity: A healthy lifestyle increases the longevity. It slows down the ageing process and helps the older person to stay strong and healthy.
2. Increase the level of energy: An individual with a healthy lifestyle feels more energetic which means more productivity in day to day living.
3. Helps in reducing depression: Healthy lifestyle helps in accomplishing a healthy body which in turn elevates hormone level in the body that regulators the mood.
4. Increase the level of Physical fitness: Physical fitness helps in better coordination of muscles and an increase in strength, flexibility and endurance.
5. Increase self-confidence: Level of fitness of an individual tends to become more self-confident and self-aware.
6. Helps in coping with stress: Healthy lifestyle enhances the Psychological power of an individual to cope with the stress as well as anxiety.