Protectors and Sensitizers

Seedling Protectors for Preventing

Protectors or Perpetrators

To The Editor: World Health Day is celebrated globally every year on 7 April, to mark the Anniversary of the 1948 founding of the World Health Organization (WHO). The aim of celebrating this day every year is to raise awareness on a key global health issue. The theme of World Health Day 2009 is – "Save lives. Make hospitals safe in emergencies", which focuses on the importance of investing in h...

Hearing protectors: topicality and research needs.

Occupational noise specialists do not generally recommend hearing protection devices (HPDs) as a preferred solution to noise risk prevention. Nevertheless, these devices are widely used and are in fact often necessary. Selection of an HPD should take into account comfort and the capacity for perceiving external signals, when they are worn. Current European regulations require that HPD attenuati...

Properties of athletic mouth protectors and materials.

The properties of a variety of mouth protectors and sheet materials used to fabricate custom mouth protectors were determined in order to recommend limits for a specification. Hardness, water sorption, water solubility, impact absorption, and tear strength were measured, and limits for these properties were suggested.

Phytoestrogens and breast cancer--promoters or protectors?

The majority of breast cancers are oestrogen dependent and in postmenopausal women the supply of oestrogens in breast tissue is derived from the peripheral conversion of circulating androgens. There is, however, a paradox concerning the epidemiology of breast cancer and the dietary intake of phytoestrogens that bind weakly to oestrogen receptors and initiate oestrogen-dependent transcription. I...