Can Vitamin D Deficiency Increase the Risk of Alzheimer’s?

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An international study published in the journal Neurology reports that seniors with too little vitamin D in their blood may be up to twice as likely to develop Alzheimer’s. Keep reading to learn more about how vitamin D deficiency can increase the risk of Alzheimer’s.

The Sunshine Vitamin

For most people, sunlight is their primary source of vitamin D, but the vitamin is also found in fatty fish such as salmon and foods such as fortified cereals and milk products. A fat-soluble nutrient, vitamin D is stored in the body and works with calcium to build and maintain strong bones. It’s also involved in moderating cell growth, regulating the immune system, and controlling inflammation.

If your loved one has been diagnosed with Alzheimer’s, help is just a phone call away. There are many reasons seniors might need assistance at home. Some may require regular mental stimulation due to an Alzheimer’s diagnosis, while others might only need part-time assistance with exercise and basic household tasks. Home Care Assistance is a leading at-home care provider. Families rely on our expertly trained caregivers to help their senior loved ones maintain a high quality of life.

Vitamin D Deficiency Health Effects

Seniors are particularly prone to vitamin D deficiencies because as the body ages, it becomes less effective at converting the vitamin into a form the body can use. Several studies have linked this vitamin deficiency to an increased risk of developing atrial fibrillation, diabetes, neurological disorders, and even cancer.

The international study published in Neurology looked at blood samples collected from 1,600 mentally healthy adults over age 65 and found that participants with low levels of vitamin D were 1.7 times more likely to develop dementia. Those with severe deficiencies increased their risk of dementia by up to 125 percent.

Seniors who want to remain healthy as they age can benefit in a variety of ways when they receive professional in-home care. Tucson, AZ, Home Care Assistance is here to help your loved one accomplish daily tasks, prevent illness, and focus on living a healthier and more fulfilling life.

Recommended Amount of Vitamin D

Adults aged 70 and older need at least 800 international units of vitamin D every day, but they should get no more than 4,000 IU. Most experts advise against taking vitamin D supplements, as too much of the nutrient can be dangerous for a senior’s health. A short 10-minute walk in the sunshine is a healthier option. Seniors can also schedule visits with their doctors, who can perform simple blood tests to determine whether their vitamin D intake is sufficient.

Without the right assistance, Alzheimer’s can be challenging for seniors and their families to handle. If you’re looking for professional Alzheimer’s care, Tucson Home Care Assistance provides high-quality care aging adults and their families can count on. All of our hourly and live-in caregivers are trained to help seniors with Alzheimer’s live happier and healthier lives, and we also provide specialized dementia, stroke, and Parkinson’s care. Reach out to one of our Care Managers today at (520) 276-6555 to learn more about our high-quality home care services.


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