The principle behind every aesthetic laser was published in 1983 and has not been replaced. The three engineering changes that genuinely mattered, what tends to sound newer than it is, and four questions worth…
Skin carries a real and relevant microbial community. What the research actually shows, where cosmetic claims run ahead of it, and the practical advice that genuinely follows.
Laboratory-grown skin has been saving lives since the 1980s. What it solved, what it still cannot do, where the research actually stands, and what the difficulty of rebuilding skin says about scars.
Algorithms classify lesion images impressively in test conditions. What that result actually means, the gap in the training data, what a photograph cannot carry, and the rule that has not changed.
