I felt it was probably because of certain substances she was taking, because she was very erratic and nervous.
Photodynamism, conversion of certain substances in the skin of animals into other substances by the action of light.
It seems intuitive, up to a point, that if the consumption of certain substances is causing harm, those circumstances ought to be banned.
The basis of the process is photoconductivity, an increase in the ability of certain substances to allow an electric current to flow through them when struck by light.
The possession of certain substances is an offence, but the manner in which the police uphold the law must be proportional to the offence committed and the outcomes their methods achieve.
In the "hijacked" view of addiction, the brain is the innocent victim of certain substances — alcohol, cocaine, nicotine or heroin, for example — as well as certain behaviors like eating, gambling or sexual activity.
Given a favourable direction of current, sharks can detect incredibly minute concentrations fractions of a part per million (that is, less than 1 × 10−6 parts)—of certain substances in the water, such as blood.
The efficacy of levonorgestrel in preventing pregnancy may be altered in the presence of certain substances, including phenytoin (an antiepileptic drug), nafcillin (a penicillin-derived antibiotic), and St.-John's-wort (an herbal supplement).
This celebration of excess was possibly surprising given that, as the TV chef collapsed soon after this blowout, the meal might literally be said to have killed him and because, as on most days, the other pages of the editions memoralising Floyd were filled with warnings from medical researchers about how every snack and swig of certain substances might be our last.
