Sprains occur most frequently in the ankle, while strains most often occur in the lower back or the hamstring.
Answer:
The exact physical causes of colour blindness are still being researched but it is believed that colour blindness is usually caused by faulty cones but sometimes by a fault in the pathway from the cone to the brain.
1. Healthy and thick hair
2. Long nails
3. Healthy teeth and gums
4. Enough sleep
5. Body mass index is balanced
6. Social interaction
7. Healthy diet
Hope it helps :)
