Pleas peas pleas now pleas!

read the excerpt below. which of the following statements best summarizes the main idea of the excerpt?

gertrude belle elion was born on jan. 23, 1918, in new york city. she graduated from hunter college in new york city with a degree in biochemistry in 1937. unable to obtain a graduate research position because she was a woman, she took a series of jobs, including lab assistant, chemistry and physics teacher in new york city high schools, and research chemist. during this time she also took classes at new york university, where she earned a master's degree in 1941. because she could not devote herself to full-time studies, elion never received a doctorate.

a) elion was never able to earn a doctorate degree even though she was brilliant.
b) after waiting for years, elion finally earned her master's degree in 1941.
c) elion was determined to do everything she could in order to practice chemistry.
d) elion was angry that she could not have a research position because she was a woman.

I would say C is the main idea. A and B are too specific and D is inaccurate.

laughter and happiness are an essential part of life. laughing releases the body's "feel good" chemicals. thus, it provides long or short term relief from stress and or anxiety. more or less, laughing strengthens social connections and provides an easy approach in social related situations.

moreover, there are many benefits of laughter and humor. it's as if they play the role of superhero to combat anxiety and depression, according to researchers. happiness and laughter is the best medicine for teen mental health.

what happens in the body also affects the mind. the positive changes in physical health also have profound an impact on mental health. we have a lot to gain from laughing! medical effects of laughter have continued to validate the pain-relieving effect and benefits of laughter.

scientists tell us that laughter and humor actually, believe it or not, lower blood pressure, reduce stress hormones and increase muscle flexion. there are many benefits to happiness and laughter, and they so happen to increase the circulation of antibodies in the blood stream and make us resistant to infections.

as stated before, laughing releases your body's "feel good" chemicals, and on a related note, negative stress can cause your body to release chemicals that weaken your immune system which makes you more likely to contract a disease. luckily, laughter reduces negative stress and prevents those chemicals from being released.

all in all, you may want to consider laughing as much as you can!