Maybe seasonal affective disorder
The soft core is called medulla
Among over-the-counter cold remedies, decongestants cause the most concern for people who have high blood pressure. Decongestants relieve nasal stuffiness by narrowing blood vessels and reducing swelling in the nose. This narrowing can affect other blood vessels as well, which can increase blood pressure.
Answer:
I guess the answer should be option c producing blood cell
Personal Protective equipment