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Individual humans don't have the capacity to evolve; evolution is a feature of a species as a whole. With that said, I'm not sure what you're asking; do you mean why does eyesight fail? There are a number of conditions which cause eyesight to decline; macular degeneration, nerve damage, brain damage, lack of vitamin A, age, and even good old myopia, which is the medical term for nearsightedness.
What else can I help you with?
How are viruses bad for humans?
Well i am studying viruses at uni so, they are bad cos they can spread through your body and almost kill you. so u need to wash your hands after eating or even toucing something. even if u think it is clean. there will always be some sort of germ on everything. so to prevent this i carry around detol! simple! Im not studying Viruses, but I know a litle. And not al viruses is leatal, in fackt (wonderfully) they are also used to save life, we do also use virus that is created in labs to get imune to the virus that harm you. a virus do what it is programed to do. we have as far as I know not been able to take the full out of that. some virus is bad and some are not that bad I gues. but. if you are talking about the bad ones, its because they are infekting a cell to reproduse, they change the genes so that they make more of them. the worst part is that it is hard for us to treat, most medicins is ineffctive and they can change and evolve fast. that is also why you see some movies where a virus have gone to the next level, and changed humans to Zombies(resident evol) or supre human(some heros from marvel is there) and we also have retro viruses(spider man). but this is today siensfiction. o the best defence to a virus is also our body, the imune system we got can if met whit the right vacine take down the most of them. its almost the only defence.
What are the bad nutrients and what are the good?
By definition, a nutrient cannot be bad so all of them are good. This is a different person so I'm saying this, nutrients is good for you but bad for the environment so there are bad nutrients! The bad nutrients food is food with high in saturated fat such as red meat, dairy products. The good nutrients food is food with high in unsaturated fat such as fish with omega 3, olive oil, sunflower oil, white meat, nuts. Actually, "bad nutrients" may refer to certain amino acids such as homocysteine.
Is elderly a bad word?
No, "elderly" is not a bad word. It is a common term to describe older people in a respectful and non-discriminatory way.
Is it bad to masturabe with saliva?
Masturbating with saliva is not inherently bad, but it is important to keep in mind that saliva can contain bacteria, which may increase the risk of infection. It's generally recommended to use lubricants specifically designed for sexual activity to reduce the risk of irritation or infection.
Is wearing makeup bad?
Wearing makeup is a personal choice and it is not inherently bad. However, it is important to use makeup in moderation and choose products that are safe for your skin to avoid any potential negative effects. It's always a good idea to take breaks from wearing makeup to allow your skin to breathe and regenerate.
Is it bad to be able to wiggle your eyes?
no
Is Emma Roberts bad?
Here on Earth, not one person is "bad". You can be bad at something you do, or be bad at a certain talent, but a person him(her)self is not BAD. We humans are made in the image of God's eyes, and no one is bad.
What is the answer to the optical illusion No sex causes bad eyes?
The joke of that image is that if you cannot read it, you have bad eyes and therefore have not had sex for some time. Those that have had sex recently will have good eyes and be able to read the message.
Is urbanization good or bad for humans?
Urbanization is both good and bad for humans. It is good because more people will be able to live in the city and get jobs. It is bad because there will be less nature present with all the people around.
Increasing urbanization is good or bad for humans?
Urbanization is both good and bad for humans. It is good because more people will be able to live in the city and get jobs. It is bad because there will be less nature present with all the people around.
Why are legs important to humans?
Legs are important to humans because humans need to walk and legs enable them to walk. Without legs, humans would not be able to walk and therefore would be bad at being humans.
Is it bad for your eyes if you stand to close to a television?
Yes.It REALLY is bad for your eyes.
What is bad about DS?
It is bad for your eyes
What is bad about a DS?
It is bad for your eyes
What did Jesus say was as bad as murder?
He tells us that hate is the same as murder in God's eyes. Humans rate sin such as "Oh, he only stole a candy bar. He didn't mean anything bad." and "Oh my goodness! He murdered someone! That's horrible!" But really, all sins are equally as bad in God's eyes.
What does 'to be blind is bad but worse is to have eyes and not see' mean?
Being handicapped by blindness makes your life difficult. Having a working set of eyes and not being able to understand what you see, is dangerous.
Can politoed evolve?
No, definitely not, it may look like it can but it can't evolve, too bad!
