The seller supplied the following interesting description of these tubes:The zirconium tubes are the ends of a long piece of tubing lathed into shorter lengths for the purpose of placing pellets of U238 for reactor function.
A trigger event. Many people experience a general thinning of hair several months after a physical or emotional shock. This type of hair loss is temporary. Examples of trigger events include sudden or excessive weight loss, a high fever, surgery, or a death in the family.
Women rarely get bald spots and hair loss is more diffuse. It is usually an overall thinning effect though women may have a receding hairline, too. HORMONAL SHIFTSWhen progesterone and estrogen levels fall, the body responds by increasing production of androgens which convey male-like properties.