Sentences with phrase «heavy use of the substance»

Health risks of asbestos exposure were documented as early as the early 1900's but heavy use of the substance did not begin until the 1940's.

Not exact matches

But because modern efforts at Christian unity are often heavy on symbolism rather than substance (the harder thing to achieve), a meeting between the Patriarch of Moscow and the Pope of Rome was held out as a tantalizing prize for Catholic ecumenists, one that could be used to extract concessions at some necessary moment.

Nonetheless, agriculture's use of ash has been limited over fears of heavy metal accumulation with repeated use, especially with ash that can contain higher amounts of toxic substances such as arsenic, wrote Li and other researchers in a paper to be published in the journal HortTechnology.

Finally, there is a natural volcanic substance that some practitioners are using that is said to effectively remove heavy metals, PCBs, pesticides and other cancer - causing chemicals and pulls them right out of the body.

By ensuring a well - maintained and E F organised cleaning storage area, operatives and employers can further increase the safety of their operatives by ensuring: hazardous materials are out of the reach of young children but remain easy to access by the cleaning operative (ie, not stored above head height); containers are not left open; there is suitable ventilation where required; warning signs are used correctly; all equipment and materials are labelled correctly; heaviest equipment is stored at the lowest levels; storage areas are dry and not immediately next to a heat source; and hazardous substances are not overstocked.

By ensuring a well - maintained and organised cleaning storage area, operatives and employers can further increase the safety of their operatives by ensuring: hazardous materials are out of the reach of young children but remain easy to access by the cleaning operative (ie, not stored above head height); containers are not left open; there is suitable ventilation where required; warning signs are used correctly; all equipment and materials are labelled correctly; heaviest equipment is stored at the lowest levels; storage areas are dry and not immediately next to a heat source; and hazardous substances are not overstocked.

Also, many of the predatory fish species used in sushi, such as salmon, have high amounts of potentially dangerous substances, including pesticides and heavy metals like mercury.

As part of the «Alternative Earth» line, this tank is made with low - impact dyes that do not contain heavy metals or toxic substances and have a higher fixation rate than most textile dyes, meaning less gets used.

While the data do not provide detailed information about the family or household circumstances prebirth or postbirth, previous research demonstrates that households with heavy parental alcohol use are at risk of instability, as well as concomitant risks such as abuse, poor family functioning, mental health problems and illicit substance use.13 17 29 This is likely to be an environment in which school attendance is not prioritised.

Although many studies support the finding that improving self - esteem is an important component of substance abuse prevention (Devlin, 1995; Rodney et al., 1996), some studies found no support for the association between self - esteem and heavy alcohol use (Poikolainen et al., 2001).

Similarly, the frequencies of adolescents» cigarette use, heavy episodic drinking, and marijuana use were strongly related to the proportion of their friends who used illegal substances.

Loeber and Keenan [13] found, for example, that girls with conduct disorders appear to be at higher risk for substance use problems than boys who suffer from conduct disorder, whereas the risk of (heavy) substance use is generally higher for boys.

In the evaluation of the possible neurotoxic effects of substance abuse, the lesser substance using twin's brain provides a glimpse of what the heavier using twin's brain should be like had the heavy user not misused substances.

In such a study, the lesser substance using twin becomes the control for the effects of substance abuse seen in the heavier using co-twin.

Though individual, family and in particular peer risk indicators all explain some of the variance in substance use, the differences between adolescents in SEB / RYC compared with SEL remained significant and substantial, with the exception of heavy alcohol consumption.