Sentence examples for substances is low from inspiring English sources

Despite the extremely large surface area of the 100 billion capillaries contained in the human brain (approximately 20 m2), the permeability of many substances is low because of the dense anatomical structure of tight junctions between endothelial cells around the capillaries in the central nervous system (CNS).

The humic substances are low in fulvic acid-like organic carbon and water-extractable organic carbon (Roletto et al. 1985; Senesi 1989).

Co-consumption of illicit substances was low and similar in both treatment groups.

The number of cases was relatively low and consequently the test power for analyses of various specific substances and combinations of substances was low.

That is, young people are led to incorrectly believe that these substances are low-risk and safe to use, despite there being no evidence to support this.

The bibliometric analysis in this study showed that scientific research output in the field of khat is lagging behind in substance abuse research and the sharing to global research in substance abuse is low.

CGRP infusion caused headaches and migraine-like attacks in migraineurs [57], although this effect, as those of other vasodilators, occurs when presumably the concentration of the vasodilator substance in blood is low or negligible.

Initiation of treatment for substance use disorders is low among young women from disadvantaged communities in Cape Town, South Africa.

Access to public-sector services for substance abuse treatment is low in resource-constrained settings, with inadequate government funding of these services [ 40].

The number of studies reporting the combined use of plant growth promoting bacteria and humic substances is surprisingly low.

The numbers of scientific reports considering the terms "plant growth promoting bacteria + humic substances" is very low considering the huge potential of this kind of biological inputs.