Signs You’re Desperately Low On B-12 - Page 15

Corbis
Impaired thinking
If you also find yourself working incredibly slow, having to re-read something you’ve already read, or fix a lot of errors in your writing, you may have a deficiency.
Corbis
If you also find yourself working incredibly slow, having to re-read something you’ve already read, or fix a lot of errors in your writing, you may have a deficiency.