My friend hasn’t replied to me all day. He sent me a text at 4am telling me he’s the only one I have in his life and he’s sorry. I’m really worried. He’s not answering and I don’t know any of his friends. What do I do?

What ingredients used in tobacco products been banned?

10. what is one long-term effect of tobacco use? changes in brain chemistry coronary heart disease decreased appetite increased heart rate

Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu