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Alzheimer's disease, known for its devastating impact on memory and cognition, may reveal itself through subtle changes in dietary habits, according to an expert.

While memory loss remains a hallmark symptom, neurologist Dr. Elana Clar, MD, of New Jersey Brain & Spine said that alterations in eating preferences, such as a shift toward unfamiliar foods or intensified flavors, can signify the onset of Alzheimer's.

"A vegetarian may start eating steak simply because they forgot they had a certain dietary habit, or may start incorporating more salt and spice because their taste buds are diminished," Clar was quoted as saying by Parade.

Research published in the journal BMC Neurology found that people diagnosed with Alzheimer's have trouble detecting umami, which is among the basic five tastes associated with savory foods.

Meanwhile, data from a study published in the Journal of Alzheimer's Disease Reports showed that many people with dementia experience a decline in smell and taste, causing them to prefer foods with strong flavors.

Some patients with Alzheimer's may also forget certain dietary restrictions, lifelong eating habits, or simply the taste of certain foods. These changes may manifest early or later in the disease progression.

In addition to dietary shifts, Alzheimer's can impair motor coordination, leading to challenges in cutting food and using eating utensils.

Clar noted the importance of recognizing these symptoms and seeking assistance when necessary, advocating for a balance between preserving independence and ensuring adequate care.

"While it is important to help [someone with Alzheimer's] hold onto their independence and autonomy as long as possible, they must set some of that aside when basic activities of daily living start to become a challenge. Patients should not be shy in asking family or friends, and may want to consider a formally hired home health aide," she said.

For caregivers, Clar recommends establishing support networks and exploring resources to enhance the quality of life for individuals with Alzheimer's.

Online forums and local support groups, such as those offered by the Alzheimer's Association, provide valuable guidance and emotional support.

Ultimately, maintaining enjoyable mealtimes becomes crucial in Alzheimer's care, suggesting the significance of adapting food choices to accommodate changing preferences while nourishing both the body and the soul.