| a relatively slow heartbeat |
apnea |
| a transient cessation of respiration especially during sleep |
bradycardia |
| a deficiency of oxygen in cells and tissues |
cancer |
| farsightedness |
dyspnea |
| difficult breathing (can be caused by asthma or anxiety) |
hernia |
| a disease caused by vitamin D deficiency |
hyperopia |
| a protrusion of an internal organ |
hypoxia |
| abnormal proliferation, invasion, and metastasis of cells |
rickets |
