The accelerated decline in fertility over the past 2.8 million years is an evolutionary adaptation that helped humans survive. However, this shift has created challenges for modern society, particularly in regards to teenage pregnancy, delayed childbearing, and hormone replacement therapy.
A meta-analysis of 30 studies found that targeted selective and indicated prevention programs had greater effects on reducing depressive symptoms than universal programs. These targeted programs showed better results in alleviating depressive symptoms at post-intervention and six-month follow-ups.
A recent study discovered the PLA2G6 gene, linked to neuroaxonal dystrophies, may shed light on nerve cell degeneration in Parkinson's and Alzheimer's. The discovery has implications for understanding brain iron accumulation and potential treatments.