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A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control , which has caused permanent hearing damage , having an extremely high decibel capacity (up to 160 dB measured at one ...
Unlike a high-end gym or traditional social clubs that entice people with rare spirits, social wellness clubs are designed as one-stop shops for self-care and socialization.
This easy-to-use device was designed to help users stay connected with family, friends, and caregivers, featuring large icons, easy navigation, and support from 24/7 expert customer care.
Healthline spoke with various experts in health and medicine to find the best, most actionable recommendations for living longer and aging gracefully in the new year. 5 science-backed ways to ...
The device works by emitting an ultra-high frequency blast (around 19–20 kHz) that teenagers or people under approximately 20 are susceptible to and find uncomfortable. Age-related hearing loss apparently prevents the ultra-high pitch sound from causing a nuisance to those in their late twenties and above, though this is wholly dependent on a ...
A siren is a loud noise-making device. There are two general types: mechanical and electronic. There are two general types: mechanical and electronic. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks.
The study, which was presented at the American Society for Nutrition's Nutrition 2023 conference, found that people who adopt eight healthy lifestyle habits by middle age can expect to live longer ...
A hearing protection device (HPD) is an ear protection device worn in or over the ears while exposed to hazardous noise to help prevent noise-induced hearing loss. HPDs reduce (not eliminate) the level of the noise entering the ear. HPDs can also protect against other effects of noise exposure such as tinnitus and hyperacusis.