Calories is watching fat intake with food. if you're trying to watch your calories yes it's the fat, because you are trying to eat less fat to maintain a good diet.
sugar crash is to much sugar intake and it makes you fatigue and go to sleep or you feel drowsy and lazy. To much sugar intake is a reason for sugar crash.
The answer is "resolve it".
The human body can survive ....
8-10 days without water
Good luck! :)
Answer:
It marks the end of reproductive ability.