The risk of developing cancer and heart disease can be reduced by

↪ Adding exercise and meditation in your life to reduce heart problem.
↪Avoiding grilled red meat ,smoked foods , microwaved foods,etc.
↪ Searching the reason to live the life maybe it could be related with your passion and aim in your life.
↪ Try creating happy and lovely atmosphere around where you can laugh,enjoy and live the life with full intensity.
↪ Avoid anything that is carcinogenic or cancer causing. You can search it on your own.
↪Seek medical advice from doctors regarding this topic

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.