Living in darkness for too long can increase the risk of depression if a person has limited exposure to natural light. A lack of light disrupts circadian rhythms, slows brain activity, and raises the risk of memory decline. Adults should walk in the early morning and get sun exposure to absorb sunlight. Opening windows at home or in the workplace also helps maintain effective brain function.

Listening to headphones at full volume, even for just 30 minutes, can damage hearing and cause deafness. Long-term hearing loss is also linked to brain issues such as Alzheimer's and brain tissue atrophy, because the brain has to overwork to process sounds, making it difficult to store information in memory. To protect your ears and brain, listen to sounds at under 60% of maximum volume, equivalent to an intensity below 85 dB, and not for more than a few hours at a time.

Being alone can negatively impact brain health. Everyone has a need for social interaction, including conversation, socializing, meeting, or connecting online. Individuals who maintain an active social life and have close friends often have stable moods and work effectively. Conversely, living in isolation with limited social interaction can reduce stimulation to brain regions related to memory, increasing the risk of cognitive decline and Alzheimer's disease. Loneliness is also a factor contributing to depression and anxiety, raising cortisol (stress hormone) levels, which are detrimental to brain health.

A diet rich in junk food such as hamburgers, french fries, chips, and sugary beverages, which contain saturated fats, sugar, and preservatives, can promote inflammation and reduce memory capacity. Conversely, prioritizing berries, whole grains, nuts, and leafy greens helps maintain brain function and slow down memory decline.

Overeating, even nutritious foods, if prolonged, can lead to overweight and chronic inflammation, affecting cognitive function and increasing the risk of Alzheimer's disease. Lack of exercise and smoking also affect memory capacity. Chronic stress and sleep deprivation cause stress, detrimentally impacting brain health.

Anh Chi (According to WebMD)