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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - May 10, 1972, Lethbridge, Alberta More research planned on use Herald Ottawa Bureau OTTAWA How early in life n person first stall1; using can- nabis might be more important In terms of some long-term ef- fects than the length of time the individual uses cannabis, just- completed experiments with rats and active ingre- rlient of sug- gest. !f the users are young enough when they start, they might even develop smaller organs- including smaller flmilar users who start later in life, the rat experiments at Car- leton University suggest. A significant difference in rat brain size between young and adult rats given THC was the most "unexpected1' difference uncovered by Psychologist.'! Dr. Peter Fried and Carol Barnes at the conclusion of a four- month-long, federally-funded sludy of some 120 rats. Tire younger nil users of TIIC also devclopisl a tendency to, "carry-over" snmo effects of the drug durinR periods of absli- nence, so that thcv developed "tolerance" lo renewed or in- creased doses of TIIC faster than companion rals were fir'-f nxnoscd lo TIIC us adults. Finally, the youthful users ex- hibited a greater lendcncy tn repair what the experimenters viewed as physical damapc tn certain body organs as a result of lonp-lerm ure than either older chronic users or both younT and old short-lerm users of THC. The reasons for and the sig- nificance if those differences are not fully understood. Yet the findings arc important enough that the federal govern- ment will fund continued re- search by Miss Barnes this summer. This time, she will use "mini- :inl do her research at the Ottawa research laborator- ies of the federal health protec- tion branch, formerly the food ar.d drug directorate. The .studies on the special breed of "mini-pigs" should bet- tor determine how applicable the findings of the rat studies are lo man, in terms of the effects of TIIC on social behav- io." as well as in terms of possi- ble physical effects on tissues. The latest Carleton study is one of a series of animal experi- ments directed by Dr. Fried, lo determine the effects of short and long term doses of moder- ately high amounls of THC on an eye on implica- tions lor human use of canna- bis. In most studies, including this STRETCHING A POINTER Japanese commuters In Tokyo's Shinjuku slolion can'f help but notice a life-sized stuffed giraffe advertising a neighboring zoo. The giraffe is mechanically nibbling and swinging its long neck and was designed to calch Ilie eye of the passerby. latest one, the rats are given a cranee would develop. This par- dose of 4 milligrams of THC per j ticular group had been given kilogram of body weight, lu a THC during all three 40-day pe- human, this is estimated to: riods. equal the effect of smoking when (he double dose of TIIC eight average marijuana ciga. j was givcni lnc rals jn Ulis reLtes. chronic group exhibited a slight To date, Dr. t'ned's studies j but noticeable impairment. The have revealed that "first-time users" of TIIC exhibit the high- est impairment, as measured by simple rat motor co-ordination tests. The long-term users tend to develop a "tolerance" to Iho drug. In similar tests, they malch the rats in the "control" no drug is given performance. The long-term or chronic users seem to learn lo "cope" with the drug in some way. In tliis latest study, the inten- tion was to determine if there is any difference resulting from the age of "first exposure" lo THC. There were two control groups and four TIIC groups. Each group consisted of "in- fant" rats and "adult" rats. The study was split into three con- secutive periods of 40 days, wilh the testing during the final pe- riod- j was not as carefully controlled The "infant" rats stared o as the co-ordination'lesls. at 30 days of age. The "adult" rats were 90 days old at the young rats showed no impair- ment. After the experiments were completed, a crude analysis was done of the weights of selected organs from the rats. Generally, there was a notice- able change in weight of most organs of rats in the THC groups compared with rats in the control groups. The changes were greater in the short-term users than the long-term user groups, suggesting the damage caused by THC was being re- paired by the chronic groups at the same lime as they were de- veloping "tolerance" to the THC. But in the two "carry-over" groups mentioned above, the m- f a n t rats had significantly smaller sized brains in terms of weight. The scientists stress the organ start. A rat is considered to reach maturity at about 60 days of age. OF5 czcsewyd age. Miss Barnes gave one of the experimental groups THC dur- ing the first 40-day period, no THC during the second, and THC again during the final test- ing period. She noticed a difference be- tween young and old rats. The young starters required only eight doses of THC before they developed tolerance to the drug. The adult rats required almost twice as many doses. Miss Barnes theorizes that the young rats have "carried-ovcr" some effect of the drug during the 40-day abstinence from their first 40-day drug period. She delected the same phe- nomenon in another group when the rats were given a double dose, to see whether a new tol- No one else is much analysis part of the experiment They would now like to deter- 1. 73 horsepower engine 2. Four-speed r synchromesli Jl transmission 3. Front disc brak 4. Fully reclining bucket seats 5. Electric rear window defroster 6. Whitewall tires 7. Full vinyl interior 8. Electric windshield 9. Two-speed windshield 10. Padded recessed dash 11. Collapsible steering column 12. Glove box 13. Cigarette lighter 14. Heavy duty heater- defroster 15. Three-position courtesy lights 16. Hand brake warning light 17. Three point retractable seat belts IS. Power boosted fresh- flow ventilation 19. Swing-out side rear windows 20. Unit body constmction 21. 60 amp. hr. battery Dual braking system Wrap around bumpers Side running lights Back-up lights Washable and removable trunk mat Recessed spare tire Tool kit and jack Electrophorus paint application 30. Four-way flashers TOYOTA 27. 28, 29, for this much retail price Corolla. 1200 2-door sedan I'.O.N. Vancouver, Calpiry, Toronto, Montreal and Mnnetnn; locftl frripht. lircm-e. and provincial taxes extra. Oil Toyota cars arc sold and serviced from coast to coast in Canada and throughout the world. LETHBRIDGE Tel. 327-3165, 327-3711 ICARDSTON Wolff Box 760 Tol. 653-3252 MILK RIVER I TABER Madge Equipment Ltd.I Kenway Toyota Box 299 Tel. 647-3838, 447-39391 Oox 100S Tel. 223-3434 mine what portions of the hrain might be affected by the reduc- tion in size, and why it occurs. In more general terms, they are concerned that giving the THC to the young rats may in some way affect their develop- ment and result in effects later in life that do not occur in rate first exposed to the drug as adults. Property law eased in Mexico A couple of years back, II you wanlecl [o fulfil lliat dream of owning a little place by the sea in Acapuko, you had to ac- quire it throuph a series of le- gal subterfuges that cost almost as much as the property itself. This was because the Mcxi can Constitution stated that "No foreigner can directly own real estate within 100 kilometers from the borders and 50 kilor.ic- lers from the coasts." Since Acapulco is the only seaside re- sort in the world that can guar- antee 350 days of perfect wealh, er and sunshine every year, thousands of Americans and Ca- nadians persisted through the massive legal red tape to ac- quire their little piece of "Paradise." Bui now (since mid 1971) President Echeverria has made it simple and legal for you to buy a lot, a villa or a condom- inium apartment and you will receive title almost as if you were a Mexican citizen. His I purpose in liberalizing the law is to attract more foreign capi- tal lo accelerate the industrial and tourist development of Mex- ico and already the results are beginning to show. So if Acapulco Is your dream Shangri-la, fly down and take a look at what is avail- able before the rush caused by the new law inflates property prices beyond the reach of your budget. A translation of the new law may be had free by writing almost any bank or real estate company in Acapulco. Wednesday May 10, 1972 THE LETHBRIDG! HERALD 39 Floalcl holidays on the Shannon Co, rtiver Floatcls, from its new base at Killaloo, will run 15-day full river cruises and eight-day Inland Shannon cruises in 1972. Its four floalcls, each cany- ing 12 passengers, will from April to September wilh 15-day cruises from about and eight-days from (transfers The full river series features 250 miles of cruising with calls ai his- toric landmarks. The Ijerth at villages and towns each evening. BANK Careers in Management SCOPE FOR INDIVIDUAL GROWTH AND ADVANCEMENT OPPORTUNITIES FOR FURTHER EDUCATION SALARY FULLY COMMENSURATE WITH QUALIFICATIONS AND EXPERIENCE ATTRACTIVE FRINGE BENEFIT PROGRAMS We have a number of openings lead- ing lo management positioni for In- wilh financial or olher business experience. Successful can- didalti will receive comprehensive training supplemented by formal instruct ion coursei followed by inlereslina. assignments In n varl- c-ly of branches throughout Alberto. Substquc-ni op tilings will occur in o wide vario'y of siluattons which we would be pitched 1o discuss with in- terested applicant. Promotion is based on mcril and opportunities for advancement arc excellent. DESIRED QUALIFICATIONS Those we ore seeking should possesi st Ic-asl a year or two business ex- perience preferably in a financial idling. Previous training will be core-fully cvdualed but in ]he finol cnolysis maturity, initiative and a slrong interesl in working successfully wilh others will be ihe most impor- tant crilcria in selecting For furlrier informalion telephoni or write: B. K. Wershler Employmenl Officer P.O. Bag Service 2534 Calgary 2, Alberla Telephone: 268-3484 or call on any of our branch managers SPECIE GIFT IDEAS FOR MOM Choosing For quality nnd price? Then buy our own Kenmorebrand...always a great buy al rrpular price, now you get extra savinps wlii.r, they're on sale. Backed by our 1-year guarantee. A great choice! 2-Spccd Electric Blender 15.98 fclettric Can Opener y.98 Electric KnifB 1 7.98 Is price n bis Tactor in yniir choice? Then choosi- from nur scl'flion ot every (lay low price appliance. They're omoiiR the Miluis in l..wn...nml Ihal living vilhin budget n lol ra-icr! Kenmore 10 Speed Blender Avocado, Whilo or Gold. Reg. Kenmore Avocado, While or Gold. Reg. Kenmore Electric Knife Wilh wcill-mounl. Reg. 47.99 ner 19.99 26.99 Quality Costs No Mora At Simpsons-Sears STORE HOURS: Oprn Doily 9 n.m. to p.m. Thursday anrl Friday 9 a.m. lo 9 p.n Conlro Vlllano. Telephone 320-9231 ;