No they simply change the appearence to others of your eye color. That would be like saying someone with blue eyes sees differently than someone with brown eyes.
Food provides nutrients, which are substances that the body needs.
True it is at the bottom of the hierarchy in physiological needs
A lot of bacteria, virus and toxins can become a health risk if there is a biological warfare attack. Alphavirus is a small,rounded,enclosed positive virus causing human and animal sickness. Examples include Sindbis virus and Chikungunya virus such then can be the pattern of infections that can cause chronic infections of the vital organs such as the lungs.
