Maintain a healthy body weight
Exercise regularly
Eat a balanced diet rich in fruits, vegetables, whole grains, lean protein, and healthy fats
Get enough sleep each night
Manage stress
Avoid smoking
Limit alcohol intake
Avoid recreational drugs
Stay hydrated
Keep testicles cool
Avoid tight underwear and prolonged heat exposure
Reduce exposure to pesticides, heavy metals, and other toxins
Review medications with a healthcare professional
Treat underlying medical conditions
Consider fertility testing if conception is difficult
Take supplements only if recommended by a healthcare professional