Lets go to the sunny beach, it is just down the hall
Canada TV
Clips
It's called a Soleira sun simulator system. Briton House, a privately-owned retirement home in Toronto , has one.
There, residents can escape on a tropical break without ever leaving home.
The room is equipped with a simulated beach, with sand, the sound of surf, and plenty of warmth and sunshine thanks to a light system that simulates the summer sun
Eric Pflanzer runs the Canadian office of the Swedish-based Soleira Sun.
He says the system's computer and light system reproduce the sun's full-light spectrum, but it also reduces the harmful effects of UV rays.
Theoretically, the lights allow the skin to produce vitamin D, but without the damaging effects of tanning.
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This one is in Toronto, others being built in Quebec City and Niagara
Update Nov 25, 2011
Their system unfortunately has very little UV: about 1/3 that of the noon-time sun in Canada
They did not indicate how much UVA vs UVB
Even if we assume that they have not reduced or eliminated the UVB, seniors in t-shirts and shorts would need > 6 hours per day to get adequate vitamin D.
Recall that UVA produces tanning, UVB produces vitamin D.
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See also VitaminDWiki
Hip fractures reduced 2X to 6X with just 10 minutes of sunlight daily – RCT 2003-2010
Vitamin D bulb for use in the home - or perhaps office
- probably 1% of the UV, but at much less than 1% of the cost has the following table and photo
| Source | cost | $/use 7 | UVA 5 | UVB | Time 4 | Eye protect | Notes |
| Tanning bed - salon | $20,000 | $20.00 | 4.0 | 0.2 1 | 20 | dark goggles | Drive to salon - skin can wrinkle if too much UVA |
| Tanning bed - home | $2,000 | $1.00 | 2.0 | 0.3 | 30 | dark goggles | Too big for home? - skin can wrinkle if too much UVA |
| Psoriasis lamp | $500 | $0.25 | 1.0 | 0.3 | 30 | dark goggles | Prescription typically - If too much: wrinkle and skin cancer |
| SAD 6 | $100 | $0.05 | 0.0 | 0 | never | none 2 | No vitamin D |
| Vitamin D Bulb | $50 | $0.03 | 0.1 | 0.1 | 100 | none 2 | Can read while getting vitamin D 3 |
| Sun | 0 | $0.00 | 1.0 | 1.0 | 10 | none 2 | Excessive sun can cause skin wrinkles and cancer |
- No – 10 minutes per day of sun-UVB is NOT enough which had the following graphic
