Trees Provide Habitat for Wildlife. It is only natural that wherever trees are planted, wildlife and other plants are sure to follow. Trees provide shelter and food for a variety of birds and small animals, such as squirrels and beavers.
The only real medical reason you could be unusually tired during your period is if you have anemia, which is an iron deficiency. For some women who are anemic and have a very heavy period, the first day can be a doozy. However, this group is in the minority.
Yes, nausea is one PMS symptom among some women and if you feel nauseous every time before you have period, you can rest assured that nothing is going wrong with your body. Premenstrual syndrome (PMS) is usually the reason why you get sick right before periods.