Daily water intake depends on your weight, activity level, climate, and gender. Generally, aim for 30-35ml per kg of body weight, plus additional for exercise and climate.

Yes, men typically need more water than women due to higher muscle mass and metabolic rate. Men need about 35ml per kg, while women need about 30ml per kg.

More active individuals need more water to replace fluids lost through sweat. Add 10-50% more water depending on your activity level.

Hot climates increase water loss through sweating and evaporation. You may need 10-30% more water in hot weather.

Signs include thirst, dark urine, fatigue, dizziness, dry mouth, and decreased urine output. Drink water immediately if you experience these symptoms.

Yes, overhydration can cause water intoxication. However, this is rare and usually only occurs with excessive water consumption in a short time.