Heart issues. , please help i will be!

I am an anxious 22 year old never took care of my health and got to know that i was having cholesterol issue since last year that i know of ,god know how long i have been suffering from it and suddenly my blood pressure to is out of hand 140/90 being average i dont know if high bp reading due yo anxiety or some serious issue but I remember once i had a reading of 155/96 while having a anxiety attack, i have started to change my habits , I haven't eaten junk food dince last month no sugary drink and a good night sleep , less stress also , i want too make amends even lost some weight i was overwight at around 95 kgs now i weigh 87 kgs i want to change i sm scared of these recent news of young adult getting heart attack i do not want to be the next victim thats why i want help , please help i will be thankful too you for my whole life