Shield your brain from decline

We are making encouraging progress in finding medications that prevent or even reverse cognitive decline. Until we get there, however, the most powerful way to protect the brain is to live a healthy lifestyle. The healthy habits to include are summed up with the acronym SHIELD, developed by neuroscientist Rudolph Tanzi, co-director of the McCance Center for Brain Health at Harvard-affiliated Massachusetts General Hospital. Here’s what SHIELD means.

Sleep at least seven hours a night

As you sleep, your brain flushes out waste material. Also, microglial cells in the brain clean out a toxic protein called beta-amyloid, which can clump together and form the plaques of Alzheimer’s disease. “Microglial cells are like scrubby bubbles,” Tanzi explains. “To get enough cleaning, you need seven or eight hours of sleep that includes dream sleep and deep sleep.”

What if you can’t sleep that long? “Take a nap. If it includes dream sleep and deep sleep, you’ll gain an extra cleaning cycle,” Tanzi says.

Handle stress

Protect yourself from the damage of chronic inflammation.

Science has proven that chronic, low-grade inflammation can turn into a silent killer that contributes to cardiovas­cular disease, cancer, type 2 diabetes and other conditions. Get simple tips to fight inflammation and stay healthy — from Harvard Medical School experts.

When you’re stressed or worrying about the past or future, it activates a set of brain areas where you internalize emotion. Cells there may make more amyloid under stress, and this may be where Alzheimer’s plaques begin to accumulate. “Stress also produces the hormone cortisol, which can kill brain cells and trigger brain inflammation, which is an even bigger killer of brain cells,” Tanzi says.

He recommends finding ways to gain relief in stressed or anxious moments. “Do something else that will engage your mind — like meditating, taking a walk in nature, gardening, doing a hobby you love, or just watching a documentary,” he advises.

Interact with friends

It’s okay if you like being alone. But if solitude causes stress and loneliness, it increases the risk for Alzheimer’s disease. So it’s important to stay socially active. “Research suggests that it helps to see one or two relatives or close friends, besides the family you see every day, at least once per month,” Tanzi notes. “They should be people you feel close to and can confide in.”

If these people aren’t nearby, Tanzi says a phone or video call can be effective interactions. And if you don’t have other people in your life, it’s time to meet some: talk to your neighbors, join a club, or — if you’re tech-savvy — join an online group.

Exercise daily

Aerobic exercise — the kind that gets your heart and lungs pumping, such as brisk walking — promotes the birth of new brain cells in the brain’s short-term memory area by increasing the production of a protein called brain-derived neurotrophic factor (BDNF). “BDNF is like Miracle-Gro for new brain cells. Our research has found that you need BDNF to keep new brain cells alive,” Tanzi says. Exercise also increases the production of enzymes that break down amyloid.

The goal is at least 150 minutes of aerobic exercise per week, which works out to about 22 minutes per day. It’s okay to start with just a few minutes per day and build up gradually.

Learn new things

Learning new information creates new connections (synapses) between brain cells, which keeps thinking and memory sharp. Unfortunately, we lose these connections as we age; the more you lose, the more cognition declines.

Thankfully, we can increase the number of synapses we have at any age. “Learning new information can be as simple as listening to a nonfiction audiobook or trying a new recipe. Or it could be more involved, like taking a class online,” Tanzi says. “The more synapses you make now, the more you can afford to lose later. It’s like money in the bank. And making new synapses also reinforces the old ones.”

Eat a healthy diet

Sugary, salty, and processed foods promote inflammation. Instead, eat a plant-based diet rich in vegetables, fruits, legumes, nuts, and seeds. These foods contain fiber and other healthy nutrients. They promote healthy gut bacteria and help protect the brain against inflammation.

“Reducing inflammation, including brain inflammation, promotes the clearance of brain amyloid while you sleep,” Dr. Tanzi says.

Putting it together

Ideally, you’ll incorporate all of these healthy lifestyle habits into your daily routine. If that feels like too much, take it slowly. “Focus on one habit per day, such as getting more sleep on Monday, reducing stress on Tuesday, and meeting with friends on Wednesday. Eventually, you’ll practice all of the habits every day,” Tanzi says. “And it’s never too late for them for them to make a difference in your cognition.”

Bible verses for today’s meditation and inspiration: Matthew E. McLaren

Whoever would foster love covers over an offense, but whoever repeats the matter separates close friends. Proverbs 17:9 NIV

Be kind and compassionate to one another, forgiving each other, just as in Christ God forgave you. Ephesians 4:32 NIV

For if you forgive other people when they sin against you, your heavenly Father will also forgive you. Matthew 6:14 NIV

Bear with each other and forgive one another if any of you has a grievance against someone. Forgive as the Lord forgave you. Colossians 3:13 NIV

If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then I will hear from heaven, and I will forgive their sin and will heal their land. 2 Chronicles 7:14 NIV

Do not judge, and you will not be judged. Do not condemn, and you will not be condemned. Forgive, and you will be forgiven. Luke 6:37 NIV

Who is a God like you, who pardons sin and forgives the transgression of the remnant of his inheritance?
You do not stay angry forever but delight to show mercy. Micah 7:18 NIV

You, Lord, are forgiving and good, abounding in love to all who call to you. Psalm 86:5 NIV

Therefore, my friends, I want you to know that through Jesus the forgiveness of sins is proclaimed to you. Through him everyone who believes is set free from every sin, a justification you were not able to obtain under the law of Moses. Acts 13:38-39 NIV

He is the atoning sacrifice for our sins, and not only for ours but also for the sins of the whole world. 1 John 2:2 NIV

Whoever conceals their sins does not prosper, but the one who confesses and renounces them finds mercy. Proverbs 28:13 NIV

In him we have redemption through his blood, the forgiveness of sins, in accordance with the riches of God’s grace. Ephesians 1:7 NIV

Recommended contacts for prayer requests and Bible study

www.agapetemplesda.com

www.adventistontario.org

https://www.hopechannel.com/au/learn/courses

breathoflife.tv/

https://3abn.org/all-streams/3abn.html

http://www.nadadventist.org/article/15/contact-us

https://www.adventist.org/en/utility/contact/

It Is Written

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