Most Important Aspect that human life need to work on is "Healthy Lifestyle."
What is a healthy lifestyle, exactly?
A healthy lifestyle comprises of the below parameters. Lets first understand how healthy habits are defined and measured:
1. Healthy diet, which was calculated and rated based on the reported intake of healthy foods like vegetables, fruits, nuts, whole grains, healthy fats, and omega-3 fatty acids, and unhealthy foods like red and processed meats, sugar-sweetened beverages, trans fat, and sodium.
2. Healthy physical activity level, which was measured as at least 30 minutes per day of moderate to vigorous activity daily.
3. Healthy body weight, defined as a normal body mass index (BMI), which is between 18.5 and 24.9.
4. Smoking, well, there is no healthy amount of smoking. “Healthy” here meant never having smoked.
Experts have suggested that the best way to help people make healthy diet and lifestyle change is at the large-scale, population level, through public health efforts and policy changes.

