New but healthy habits in the 30's or even 40's helps cut risk of heart disease. This is great news for those who believed that introducing healthy habits mid way in life was useless. Adopting a healthy lifestyle during young adulthood goes a long way in lowering the risk of coronary artery disease. However, there is nothing called late.
Studies also maintain that replacing unhealthy habits with healthy ones can reverse progression of heart disease in adults. On the other hand, picking up bad habits as one ages is harmful. Being physically active, lowering alcohol intake, not smoking, including fresh vegetables and fruits in your diet are practices you can start anytime and still achieve benefits.
Read more on the study on emaxhealth.