Physical activity increases the amount of water your body needs. It's important to drink water before, during, and after exercise to avoid dehydration.

Certain foods and beverages can affect hydration levels. Foods high in sodium can cause the body to retain fluids, while fruits and vegetables with high water content can aid in hydration.

High humidity levels can make it difficult for sweat to evaporate, which can lead to dehydration. It's important to drink water regularly in humid conditions.

Hot temperatures cause the body to sweat, which can lead to dehydration. It's important to drink water regularly in hot weather and avoid prolonged exposure to extreme heat.

High altitudes can cause dehydration due to the dry air and higher breathing rates. It's important to drink more water than usual at high altitudes.

Caffeine is a diuretic, which means it can increase urine production and lead to dehydration. It's important to drink water along with caffeine to balance out its effects.

Alcohol is also a diuretic and can lead to dehydration. It's important to drink water along with alcohol and limit consumption to avoid dehydration.

Some medications can cause dehydration as a side effect. It's important to talk to a doctor about how medications may affect hydration levels.

Sweating is the body's way of cooling down, but it can lead to dehydration if fluids are not replaced. It's important to drink water regularly during and after sweating to avoid dehydration.