<span>Diet drugs such as lorcaserin and
phentermine-topiramate help people in losing weight by reducing food intake. These
drugs are affecting the central nervous system, which act as an appetite suppressant
where a person will not feel hungry or has lesser urge in eating does reducing
his/her food intake. Weight loss will be much effective if these drugs will be
adjunct with exercise and reducing caloric intake.</span>
Answer:
because when you do it on accident it is unintentional and scares you because you werent expecting it. but when you do it on purpose it wont hurt because your brain stops you from doing it so hard that it hurts lol
Explanation:
Heat is generated by friction is one of the ways and fuel and air if making flames