Develop your skills. If you face difficulties in your work, domestic or social life, rise to the challenge by seeking study or training. Physical activity releases muscle tension, improves circulation and reduces blood pressure. It improves confidence, and some activities have social benefits too. Watch your diet.
Caffeine aggravates the stress reaction.
Remember it is in many drinks including some so-called health drinks, and some common headache remedies. Sugar and fats reduce your ability to cope with stress. Don't skip meals. Drink lots of water. Avoid refined foods and excessive alcohol.