Grant is seeking a high-intensity cardio and strength workout that is within walking distance and offers social opportunities. which option might be best for him? a) a yoga dvd program b) a crossfit group class c) an at-home treadmill d) a weight machine circuit

What is the hormone in your brain that makes you feel happy?

When considering the claim that eating well to reduce stress, what advice might you give a friend who appears to be stressed about an upcoming exam, but chooses to have chips and soda for lunch everyday?

Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.