Discuss the physiological factors related to the skin, hair, and nails describing variations in hair abnormalities and nail problems. 

Please, answer the following question in 2-3 paragraphs, the answer requires two references:  1). from peer-reviewed Nursing Journal not older than 5 years, and 2). from the following text book:

Title: Nursing Health Assessment – A Best Practice Approach.

Author(s): Jensen, S (2015)

Publisher, Edition:Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins. 2nd Ed.

ISBN 13: 978-1451192865;

APA format is required.

Discuss the physiological factors related to the skin, hair, and nails (for example: apocrine glands secrete fluid when the body undergoes exercise and emotional stress) and describe variations in hair abnormalities and nail problems.