What are the effect of overuse of insecticides and fertilizers?​

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

Which of the following statements about the societal costs of tobacco use is true? a. tobacco use affects the tax rate of only those individuals who smoke. b. the negative effects of tobacco use are only experienced by the smoker. c. tobacco users contribute to an overall loss of productivity. d. increased healthcare costs are mainly absorbed by tobacco users

Which diseases are drug abusers particularly susceptible to