A healthy diet includes a variety of foods from all major food groups, balanced in the right proportions. Key components include fruits, vegetables, whole grains, lean proteins, and healthy fats.

Proper hydration is vital for maintaining bodily functions such as temperature regulation, joint lubrication, and nutrient transportation. Drinking sufficient water daily helps prevent dehydration and supports overall health.

Effective strategies include regular physical activity, eating a balanced diet, staying hydrated, ensuring adequate sleep, managing stress, and avoiding unhealthy habits like smoking and excessive alcohol consumption.