The first card is The Lovers reversed. This card represents a situation of uncertainty and doubt, where Greta may feel insecure about her health. You may feel hesitant to make the right decisions and unsure what to do next.
The second card is the King of Pentacles. The King of Pentacles represents wisdom and a practical and responsible approach to the situation. Furthermore, he also represents the importance of making educated decisions and weighing each option carefully. For Greta, this would mean that she should focus on finding practical and thoughtful solutions to improve her health.
The last card is the Page of Pentacles. The Page of Pentacles represents a positive attitude, confidence in one's ability to deal with any situation. Furthermore, it also represents the need to be flexible and open to new ideas and opportunities that can bring about changes in Greta's life. Thus, it can be concluded that if Greta focuses her energies on a responsible and practical approach to health and accepts the new opportunities presented to her, she will have a strong positive impact on her health.
In conclusion, yes, based on these three tarot cards it can be said that Greta can do a lot to improve her health if she will focus on practical solutions and be open to new opportunities.