Fertility

Over the past century, the world's human population has exploded from around 2 billion to 8 billion. Meanwhile, the average fertility rate has gradually declined. And if that trend continues as it has, we may soon see a crash in the population rate, which some argue could have disastrous effects.

Dr. Francisco 'Paco' Arredondo said he'll reimburse up to $2,000 in travel for Alabama patients seeking IVF treatment out of state.

For decades researchers have struggled to find a contraceptive methods for males. A new fast-acting compound shows promise — assuming it turns out to work as well in men as in mice.