10 Most important things to do to be 100 years old
- Kennet Bath
- May 1
- 3 min read
Updated: 1 day ago

Living a long, healthy life is something many people strive for, and while genetics play a role, lifestyle choices are a significant factor in longevity. If you want to live to 100, here are the 10 most important habits and principles to embrace:
1. Prioritize a Balanced Diet
Eating a nutrient-rich diet is crucial for longevity. Focus on whole, plant-based foods like vegetables, fruits, legumes, whole grains, and nuts. Diets high in healthy fats (like olive oil and fatty fish) and low in processed sugars and unhealthy fats can reduce the risk of chronic diseases like heart disease, diabetes, and cancer. The Mediterranean and Blue Zone diets—known for their health benefits—are prime examples.
2. Stay Physically Active
Regular physical activity helps keep your body strong, flexible, and resilient as you age. Aim for at least 30 minutes of moderate exercise most days of the week, whether it’s walking, swimming, yoga, or strength training. Physical activity not only keeps your heart and muscles healthy but also promotes mental well-being and cognitive function.
3. Get Quality Sleep
Sleep is essential for repairing the body and mind. Consistently getting 7-9 hours of quality sleep each night helps regulate hormones, support brain health, and reduce the risk of chronic diseases. Establish a bedtime routine, avoid screen time before bed, and make your sleep environment conducive to rest.
4. Build Strong Social Connections
Maintaining close relationships with family, friends, and community is one of the key predictors of longevity. People who live long, healthy lives tend to have robust social networks, which provide emotional support, reduce stress, and improve mental health. Loneliness and isolation, on the other hand, can lead to both physical and mental health problems.
5. Manage Stress Effectively
Chronic stress can take a significant toll on your body, leading to inflammation, high blood pressure, and a weakened immune system. Learning to manage stress through practices like meditation, mindfulness, deep breathing, or yoga is critical for long-term health. Maintaining a positive mindset and letting go of negativity can also contribute to a longer life.
6. Maintain Mental Stimulation
Keeping your brain active and engaged helps protect against cognitive decline and neurodegenerative diseases like Alzheimer’s. Regularly challenge your brain with activities such as reading, puzzles, learning new skills, or picking up new hobbies. Lifelong learning keeps your mind sharp and promotes mental resilience.
7. Avoid Smoking and Limit Alcohol
Smoking is one of the leading causes of preventable death and significantly shortens life expectancy. If you smoke, quitting is one of the best things you can do for your health. As for alcohol, moderate consumption may have some benefits (such as red wine in the Mediterranean diet), but excessive drinking is linked to numerous health problems, including liver disease, heart disease, and cancer.
8. Keep a Healthy Weight
Maintaining a healthy body weight is important for reducing the risk of chronic conditions like heart disease, diabetes, and high blood pressure. Rather than focusing on restrictive diets, aim for sustainable eating habits that support your energy needs and well-being. A combination of a balanced diet and regular physical activity is key to maintaining a healthy weight over time.
9. Cultivate a Sense of Purpose
Having a strong sense of purpose—whether through work, family, volunteering, or hobbies—can give you a reason to stay active and engaged in life. Studies show that people with a sense of purpose tend to live longer and healthier lives. Find what gives you joy and meaning, and pursue it with passion.
10. Routine Check-ups and Preventive Care
Regular medical check-ups are crucial for catching potential health issues early and managing them before they become serious. Stay up to date with screenings, vaccinations, and tests recommended for your age and gender. Preventive care, like managing blood pressure and cholesterol levels, helps ensure long-term health and longevity.
Conclusion
Longevity is about more than just reaching a specific age; it’s about living a vibrant, fulfilling life along the way. By adopting these habits—nourishing your body, staying physically and mentally active, building strong relationships, and managing stress—you can increase your chances of living to 100 in good health.
The Bodyweight Team