Lutein and zeaxanthin are dietary carotenoids found in what body part and are shown to protect against what disease that afflicts seniors.

Question

BlackTom AI · Accepted Answer

Question restatement: Lutein and zeaxanthin are dietary carotenoids found in what body part and are shown to protect against what disease that afflicts seniors.
Option 1: 'colon, colon cancer' - This pairing associates carotenoids with the colon and colon cancer. While carotenoids have various health associations, lutein and zeaxanthin are not primarily linked to colon tissue or colon cancer protection. This choice confuses the tissue-specific association.
Option 2: 'heart, cardiovascular disease' - Protecting the heart or cardiovascular disease is a common health topic for carotenoids in general, but lutein and zeaxanthin are not chiefly recognized for cardiovascular protection in the way this option implies. It misidentifies the targeted body part and the specific disease link.
Option 3: 'brain, dementia' - Although nutrition and antioxidants can influence brain health, lutein and zeaxanthin are not primarily highlighted for protection against dementia in standard references. This option projects a brain-focused claim that is not the classic or strongest association for these carotenoids.
Option 4: 'eye, macular degeneration' - This option correctly identifies the body part as the eye and the disease as macular degeneration. Lutein and zeaxanthin accumulate in the macula of the retina and are well-documented for supporting eye health and reducing risk of age-related macular degeneration in seniors. This aligns with established nutrition and ophthalmology guidance.
Summary: Among the options, the only pairing that matches the well-supported connection of lutein/zeaxanthin to eye health and macular degeneration risk reduction is Option 4, while Options 1–3 misstate either the body part or the disease relevance for these carotenoids.

Lutein and zeaxanthin are dietary carotenoids found in what body part and are shown to protect against what disease that afflicts seniors. 单项选择题

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