ADHD and growth: questions still unanswered.

What we do not know about ADHD… yet.

PURPOSE OF REVIEW This article provides an overview of current controversies in attention-deficit/hyperactivity disorder (ADHD) research, with an emphasis on recent findings that are directly relevant to clinical practice. RECENT FINDINGS Over the past few years, a number of studies have added key evidence to ongoing debates about the epidemiology, nosology, and treatment of ADHD. Although th...

E-Learning: some unanswered questions

Overview of Portfolio Optimization Models

Finding the best way to optimize the portfolio after Markowitz's 1952 article has always been and will continue to be one of the concerns of activists in the investment management industry. Researchers have come up with different solutions to overcome this problem. The introduction of mathematical models and meta-heuristic models is one of the activities that has influenced portfolio optimizati...

Eradication therapy for early Pseudomonas aeruginosa infection in CF: many questions still unanswered.

Family policy and minority groups: Unanswered questions

Family policy is receiving much attention these days. Because the growth of single-parent families has proceeded at an accelerated rate among some minority groups, several papers focused on such trends as the growing proportion of poor children, the feminization of poverty, the increase in out-of-wedlock births, the rising unemployment rate and weakening attachment to the labor force of black m...