Show GETTING SUN CURING RAYS Tho The fact Is IB now well established that exposure ex ure of ot the growing child lo violet ultra o rays Is desirable for forthe ho tho prevention of ot that t ton on on oil tho the bones bo es known as rickets nod for tor giving to 10 tho the child other factors that hat develop when tha the ul ul- tra let rays act upon the living human Issues Studios Studies made In Chicago by the tho department depart depart- nt of or health show that there are only two months In the year rc r and those at tho the height of or ortho tho the summer season when sufficient violet ultra rays rats come through to tobe tobe tobe be of much value In preventing rickets t No 1 doubt the observations made in Chicago will do for tor most i ot or the large cities ot of the world In places where the rays of ot the sun aro are not blocked by a n dense s E reen roan of ot smoke and smudge such 01 1 hangs like a pall over most cost of or our great groat centers conters it is possible to give e children Bun sun treatment di OH- Experiments show that the suns sun's rays ras need not come ome directly but may be had bad reflected from the k Hats flats fed on rickets-producing rickets dILs pl placed ocd in the tho shade where they the i got t t iJ no sim 8 but biChI only skylight Others were vere placed in indirect indireCt direct ct sunlight and still aUll sun others put in rooms where they hey re ye- received eid only nl much light lg t. t Finalli Finally a fourth control c group gr up were we given a normal diet and exposed e to Sunlight The rats on a normal diet and receiving sunlight grew Those on a rickets diet with sunlight did better than those TV with skylight but the latter did far tar better belter than those without light It was determined quantitatively that skylight which is light re reflected from the sun has an anti antl- rickets effect front from one bait to two two- thirds of or that produced by the tug available sunlight Thus Titus infants mar roa- bo placed out ot or doors and protected from the sun and an still receive a some rickets anti effect from the reflected violet ultra rays ot or the sky C e aref l measurements made mado with wILh withIn In ot or the violet ultra-violet rays ray coming coining from the sun aud and from Crom the tUe sun Bun and from the sky Indicate that during the last week In April and the first firs fir week eek in May the ultraviolet violet content of or skylight alone aiono Is I about GO CO per Iper per cent of ot the tho ultra vie let lot content conte lt ot or sunlight It is Important that direct sunlight is so strong that that it may have powers 1 pooi O erf i for harm as asEs w w Sl 11 cs III for t r good Sunstroke results roa from Crom too much much heat h at from the tho sun dun ra ra J. J |