Looking for a female writer on anti aging (>500 topics)

Looking for an experienced writer with an academic background and knowledge of anti aging, longevity, skin care and related. For english language natives only! One article should be of 550-600 words. 3.5$ per article. ( in exceptional cases when 250-300 words is enough - $2.5). Lots of topics. Concise, clear style of writing. Your articles shoud generate interest and motiviation to share them with other readers. For each aritcle I expect you do a sufficient research on a given topic. You are to use different sources of information. Show me some articles you wrote on the similar topics. Do not bid - if your mother tongue is not English - if you just started in writing - if the topic, which I mentioned, is unfamiliar to you. - if you can not do research and compile the information I need about 10-15 articles a week. We can start with 10 articles in the beginning and proceed if i accept the quality. Type the "star" in the beginning of your bid to prove that you read requirements.