Sentences with phrase «present at such low levels»

The disease develops very slowly and scientists suspected that even if a virus were to blame it might be present at such low levels that conventional tests would not detect it.

Not exact matches

The level of yields — around 4 1/4 per cent at present — looks low not only on historical comparisons but also relative to normal benchmarks such as the growth rate of nominal GDP, which in the US is currently around 6 per cent (Graph 16).

As the Mayo Clinic's website explains, while nearly any drug that's present in your bloodstream will pass into your breast milk to some extent, most medications do so at such low levels that they pose no real risk to most infants.

In a different study Waghmare presented at the recent annual meeting of the American Society for Blood and Marrow Transplantation in Orlando, Florida, the researchers teased out a few risk factors that can drive the development of lower respiratory tract infections — namely, high levels of steroid use (commonly given to transplant patients for other complications such as graft - vs.

To avoid confusion, trust in what your testosterone replacement therapy professionals (such as the ones at HT Medical Center) say is low, normal and high for YOUR testosterone levels according to YOUR age, size and physical health condition (s) past and present.

School grounds should be inspected for potential hazards such as: • Verandah poles outside doorways, in thoroughfares or in situations where students are unlikely to see them, especially while running; • Steps and changes in level which are poorly proportioned, difficult to see or lack handrails; • Fencing, gates and railings which students climb and which have structural problems, sharp protrusions, splinters or other hazards; • Trip hazards at ground level — protruding drainage pit covers, irregular paving, cracks or tree roots in thoroughfares, broken off post or other remnants of old structures; • Loose gravely surfaces on slopes and where students run; • Slippery patches which may stay damp in winter; • Rocks which students can fall onto or throw around; • Embankments which students can slip down or which have protruding sharp objects; • Blind corners in busy areas; taps and hoses which are positioned where students play or walk; window glass at low levels through which students could fall; • Holes, cracks or exposed irrigation fixtures in ovals; • Trees or shrubs with poisonous parts, sharp spikes or thorns or branches at eye level; • Splinters and deteriorating timbers in seats, retaining edges and other wooden constructions; • sSeds or other areas with hazardous chemicals or machinery to which students have access; rubbish skips which students can climb into or around, or which place students at risk when trucks enter the school; • Areas within the site used for car parking when students are present; and, • Sporting equipment such as goal posts or basketball rings which have structural or other design or maintenance problems.

The relationship between depressive symptoms and step count has only been assessed in specific populations with small sample sizes, such as low - socioeconomic status Latino immigrants, 16 elderly Japanese people17 or patients with chronic conditions such as heart failure18 19 or chronic obstructive pulmonary disease.20 21 Studies yield contradictory results, with some observing no association between depressive symptoms and daily step count, 19 21 while others report a negative correlation.16 — 18 20 In one cross-sectional sample of healthy older adults, an inverse association between depressive symptoms (using the Goldberg Depression Scale - 15) and accelerometer measured daily step count disappeared after controlling for general health and disability.22 While a systematic review suggests reduced levels of objectively measured PA in patients with depression, 23 it is not known whether this association is present in those at high risk of CVD and taken into account important confounding such as gender and age.