noun, Physics, Chemistry. 1. a succession of elements initiated in the radioactive decay of a parent, as thorium or uranium, each of which decays into the next until a stable element, usually lead, is produced. Also called decay series.
Report Abuse. Healing times for cartilage is 3-6 months. However, a lot of people say it takes closer to a year for the piercing to heal properly and feel truly stable.t can take a year for deep cartilage piercings. won't be sore for that long, but it may be that long until it's fully healed and you can sleep on it. Source(s): i have several.
Quick Answer. A broken humerus takes around 6 weeks to heal, although it can take up to 1 year to recover after treatment. When an individual experiences a broken humerus, the arm should be supported in a manner that will pull down the humerus, which helps the fractured bone heal correctly.