Question

you don't care of your health. you may fall ill. (join in a single sentence using an adverbial clause)

Answer 1

if you don't take care of your health, you'll fall ill

Answer 2

Explanation:

If you don't care of your health then you may fall ill. So, take care of your health and have you meals on time. You should also sleep within an ideal time and have adequate amount of sleep to keep your organs function well. The dietary supplements should also be taken with the advice of the professional physicain to get the best result.