Not taking good care of themselves. Not being active, poor hygiene, bad diet, weak immune system etc
I would say A. Because c and d r very dangerous if u think about it. And b is right in some situations. But if u do a then people can see whts going on if something happened because of the light. and it is safe. If wrong let me know. :D
It can improve your mental performance and live strong .com
Symptoms may worsen, and the illness may progress. This could result in a less positive outcome for the patient; example: longer recovery process, terminal/chronic illness, or even longer term, death.