Does hot water/air or cold air/water kill germs?

for burns, which is better to use on, warm or cold water?

I have problems sleeping sometimes and I heard milk destresses you and helps you sleep. So should I drink hot or cold milk? I...

It is 99* here. Is that "Hot" enough for you?

When I'm having my period, is it better to drink cold or warm water? And what about when I don't have my period, is cold wat...

I'm 14 and this morning I woke up and I was freezing. For a couple of hours I just laid there and then I fell asleep. Then I ...

I was just wondering is hot or cold water better for your skin or does the water have no effect at all.

The last time I had a heartburn it lasted for 2 weeks but the one I had this week only last 3 days,and the cause of this one ...

I just spilt boiling hot water over my hand but I have held it under cold water for a bit but it is still agony.. I have a va...

When I was younger every time I had a sore throat my mom made me gargle salt water. Why does gargling salt water help a sore ...

Is it ok to drink salt water, because I've heard that you can die when you drink it but other people have said it only makes ...