Laughing 100 times is equivalent to 45 minutes of exercise on a stationary bicycle. True or False?

Mario was conducting research regarding the treatment of aids victims using stem cells. he found a source that was written recently and the author was known. unfortunately, he could not determine if it had been peer reviewed.

Which is not an effect of aging? secondary sex characteristics appear bones shrink and become more brittle skin becomes drier and less elastic hearing and vision become less sharp

The stages of greif always happen in order every person. true or false