People who stay mentally alert into their 70s usually display these 8 habits

Tina Fey by Tina Fey | September 10, 2025, 7:53 am

There’s a substantial difference between aging and aging with grace.

The difference is in the mind. Staying mentally alert as we age is a goal for most of us, but it’s not always clear how to achieve it.

Those who navigate their 70s and beyond with mental sharpness often have a few habits in common. And those of us seeking to keep our minds sharp can learn a lot from them.

Here are some habits that people who stay mentally alert into their 70s usually display. These are simple, everyday practices that can make a significant difference in maintaining mental acuity as we age. So, let’s dive right into them!

1) Regular physical activity

Staying mentally alert isn’t just about exercising your brain – your body plays a huge role as well.

And those who maintain mental sharpness into their 70s know this all too well.

Physical activity doesn’t just keep our bodies fit and healthy. It also plays a big part in how well our minds function.

Think about it. Regular physical activity increases blood flow to the brain, supports new neural connections, and can even boost mood and sleep quality.

All these factors are crucial in maintaining cognitive health and mental alertness as we age.

So, if you’re looking to stay sharp into your 70s and beyond, incorporating regular exercise into your routine can be a great place to start.

Just remember to consult with a healthcare professional before starting any new fitness regimen.

2) Lifelong learning

People who stay mentally alert into their 70s often have a hunger for knowledge that never fades.

And I can verify this from personal experience – my grandmother, who remained sharp as a tack well into her 90s, was a lifelong learner.

She loved to read everything from history books to the daily newspaper and was always the first to dive into a lively debate at family gatherings.

Her secret? She said it was her love of learning. She believed that by constantly challenging her mind and staying curious about the world, she kept her mental faculties sharp.

So, whether it’s picking up a new hobby, reading a book, or even taking an online course, keep your mind active and continue to learn. It’s an approach that served my grandmother well and could do the same for you!

3) Healthy diet

Adopting a healthy diet is another common habit among those who maintain mental alertness into their 70s and beyond.

The brain, like any other organ in the body, gets its fuel from what we eat and drink. So, it’s no surprise that a balanced diet plays a critical role in cognitive health.

Certain foods, in particular, have been found to be beneficial for brain health. For example, did you know that blueberries are often called “brainberries”? This is because they’re packed with antioxidants that delay brain aging and improve memory.

So next time you’re preparing a meal, remember to nourish not only your body but also your mind. Including a variety of fruits, vegetables, lean proteins, and whole grains can go a long way in keeping your mind sharp.

4) Regular social interaction

People who remain mentally alert into their 70s often have a vibrant social life.

Staying socially active isn’t just about having fun. It can also provide mental stimulation that’s crucial for maintaining cognitive health.

Interacting with others challenges our brains to think critically, remember details, and engage in meaningful conversations. All these activities work to keep our minds sharp.

Moreover, socializing can also have positive effects on our emotional health and overall well-being, which indirectly contribute to mental alertness.

So whether it’s joining a club, volunteering, or simply spending time with friends and family, regular social interaction can play a big role in keeping you mentally alert as you age.

5) Staying positive

It’s not always the physical things we do that contribute to mental alertness. Sometimes, it’s about our attitude.

Those who stay mentally alert into their 70s often carry a positive outlook on life.

This isn’t about ignoring the hardships or difficulties that come with aging. Instead, it’s about embracing the wisdom and experiences that each decade brings.

A positive mindset can help us overcome challenges, reduce stress and maintain a sense of purpose – all of which are essential for mental health.

So as we age, let’s strive to see the glass as half full rather than half empty. Because positivity is not just good for the heart, but it’s also good for the mind.

6) Adequate sleep

Ensuring you’re getting enough quality sleep is pivotal for staying mentally sharp into your 70s.

I’ve had bouts of insomnia in the past, and I can tell you first-hand how quickly sleep deprivation can affect cognitive function. It’s like trying to navigate through fog, with thoughts feeling sluggish and memory recall suffering.

Sleep isn’t just about resting your body; it’s also when important processes occur in your brain. This is the time when your brain sorts and stores memories, clears out toxins, and repairs cells.

So, making sure you prioritize a good night’s sleep is not just beneficial for your physical health but also for maintaining mental alertness.

7) Regular check-ups

People who stay mentally alert into their 70s usually make a habit of getting regular health check-ups.

Our physical health and mental health are closely intertwined. So, keeping tabs on your overall health can go a long way in maintaining mental sharpness.

Regular check-ups can help identify health issues early, allowing you to manage them before they impact your cognitive health.

Moreover, healthcare professionals can provide advice and recommendations tailored to your specific needs and circumstances.

So, don’t neglect those routine visits to your doctor. They’re an important part of staying mentally alert as you age.

8) Mental stimulation

The most crucial habit of all is to regularly engage in activities that challenge your brain.

Crossword puzzles, reading, writing, playing a musical instrument, or learning a new language – any activity that keeps your mind working can help maintain mental alertness.

Remember, the brain is like a muscle; the more you use it, the stronger it gets. So, keep challenging your mind and it will serve you well into your 70s and beyond.

Final thoughts: It’s a lifelong journey

The journey to mental alertness into our 70s and beyond is not about quick fixes or magic potions. It’s about cultivating lifelong habits that support our cognitive health.

Every habit we discussed – from regular physical activity and a healthy diet to adequate sleep and mental stimulation – plays a crucial role in maintaining mental sharpness as we age.

It’s not just about adding years to our life, but also about adding life to our years. Staying mentally alert allows us to continue enjoying life, learning new things, and making meaningful contributions to the world around us.

So, as you reflect on these habits, ask yourself: How can I incorporate them into my own life? How can I embark on this lifelong journey towards mental alertness?

If you’re ready to design a life that feels energizing, meaningful, and truly your own, consider enrolling in the online course Your Retirement, Your Way: Thriving, Dreaming and Reinventing Life in Your 60s and Beyond.

After all, it’s never too early or too late to start taking care of your mind.

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