Bad hygiene, puberty, physical activity or just normal teenage bodily changes.
Exercise, healthy eating habits, meditation and a good sleeping schedule will all help with depression
Yes you are very much right the answer is D
Answer:
Polycythemia vera
Explanation:
A absolute increase in total red blood cell mass is characterized by primary polycythemia, or polycythemia vera. Treatment aim is to reduce the viscosity of the blood. That can be done by removing blood by periodic phlebotomy to reduce the volume of red blood cells. Transfusions are used to treat sickle cells and beta-thalassemias. Megaloblastic anemias, caused by deficiencies in vitamin B12 and folic acid, are treated by replacing those nutrients.