Answer is Yes.
In general, the personality dimensions Extraversion, Neuroticism, and Conscientiousness are most associated with exercise adherence and behavior, while Openness to experiences and Agreeableness are related to more specific factors of exercise behavior, and tend to be less influential.
Thier hygiene and personal
Having weak eye sight is not a lifestyle factor. Your life style is your choice. You choose to smoke, you choose to have friends, and you choose to walk to school. Having weak eye sight is involuntary.
In my personal experience In order to stay fit I do ballet and tennis. Those two things have helped me stay healthy and fit as well as creating hobbies! I also want to mention that I take vitamin supplements just in case if I am not for filling my normal vitamin intake from foods. So for example I take some vitamin C powder! I think it’s extremely important to work on your health and your physical activity because later in life all these things will affect you in a positive way so you won’t have to worry too much of your health considering the fact that you have been working on your health for the past years. I’ve also read that eating healthy can help you age backwards so you’ll look much younger at the age of 50 then you would if you didn’t take care of yourself physically. <3 have a great day