Andriy Blokhin has 5+ years of professional experience in public accounting, personal investing, and as a senior auditor with Ernst & Young. Erika Rasure is globally-recognized as a leading consumer ...

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The lens focuses light and images onto the retina to help you see clearly. As you age, your lens may lose flexibility and become cloudy, leading to presbyopia and cataracts. The lens is a curved ...

The appendix may help support the immune system by storing good bacteria. A person can live a normal life without an appendix. The appendix has long been thought to have no significant function in the ...