The last two days of life of nursing home patients--a nationwide study on causes of death and burdensome symptoms in The Netherlands. Palliat Med 2006; 20:533. Wright AA, Keating NL, Balboni TA, et al. Place of death: correlations with quality of life of patients with cancer and predictors of bereaved caregivers' mental health.
1. Respiratory Health Issues. Downward curved fingernails can indicate a problem with respiratory health, and are often present in people who have medical conditions such as COPD, chronic bronchitis, asthma and lung cancer. Fingernails often curve downwards as a result of lack of oxygen.
I do not have much of a half moon on my nails either except for the thumbs. The other nails have just a tiny sliver at the cuticle. My index finger nails curl on the thumb side of the nails while the other side grows straight. My middle and ring finger nails are wide and flat and curl around the end of the finger tip.