… One investigator (MB) extracted aggregate study level data using a piloted standardised
electronic data entry form. For each study, a second reviewer (ZL or EM) verified all entered data…

Oxytocin is a pleiotropic, peptide hormone with broad implications for general health, adaptation,
development, reproduction, and social behavior. Endogenous oxytocin and stimulation …

Molecular tests for tuberculosis (TB) have the potential to help reach the three million people
with TB who are undiagnosed or not reported each year and to improve the quality of care …

Cognition presents evolutionary research with one of its greatest challenges. Cognitive
evolution has been explained at the proximate level by shifts in absolute and relative brain …

… [e] Cumulative administration of neostigmine bromide caused variable results. In some
preparations neostigmine caused complete reversal, whereas in other preparations only limited …

Now more than ever animal studies have the potential to test hypotheses regarding how
cognition evolves. Comparative psychologists have developed new techniques to probe the …

Aims/hypothesis Short-term dietary studies suggest that high-protein diets can enhance
weight loss and improve glycaemic control in people with type 2 diabetes. However, the long-…

The health authorities have recently accepted the routine provision of highly active antiretroviral
therapy to persons living with AIDS in South Africa. There is a need to investigate the …

The social intelligence hypothesis suggests that living in large social networks was the primary
selective pressure for the evolution of complex cognition in primates. This hypothesis is …

Millions of cases of tuberculosis (TB) go undiagnosed each year. Better diagnostic tools are
urgently needed. Biomarker-based or multiple marker biosignature-based tests, ideally …